Picture this: You’re cruising through a downpour during rush hour, completely dry and comfortable, while passing gridlocked cars and soaked cyclists. Your vehicle emits nothing but a quiet hum, costs pennies per mile to operate, and slides into a parking space no sedan could dream of fitting into. This isn’t a sci-fi fantasy—it’s the reality that enclosed cabin electric trikes are delivering to commuters in 2026. As climate volatility meets urban congestion head-on, these three-wheeled electric capsules have evolved from quirky novelties into serious transportation solutions, offering car-like protection with bicycle-level efficiency.
The market has matured dramatically, with manufacturers now focusing on refinement rather than just proof-of-concept. Weather-sealing meets automotive standards, batteries laugh at winter temperatures, and interiors rival economy cars for comfort. But with this explosion of options comes complexity. Not all “weatherproof” claims are equal, and the difference between a reliable year-round commuter and a fair-weather toy lies in details that spec sheets often obscure. This guide cuts through marketing fluff to examine what truly matters when investing in an enclosed electric trike for daily all-weather commuting.
Top 10 Enclosed Cabin Electric Trikes
| ZARKO 72V 1500W Brushless DC Differential Motor 16 Tooth Spline 4800RPM for DIY Electric Tricycle ATV Go Kart Golf Cart Buggy Mobility Scooter Delivery Vehicle | Check Price |
Detailed Product Reviews
1. ZARKO 72V 1500W Brushless DC Differential Motor 16 Tooth Spline 4800RPM for DIY Electric Tricycle ATV Go Kart Golf Cart Buggy Mobility Scooter Delivery Vehicle
1. ZARKO 72V 1500W Brushless DC Differential Motor 16 Tooth Spline 4800RPM for DIY Electric Tricycle ATV Go Kart Golf Cart Buggy Mobility Scooter Delivery Vehicle
Overview: The ZARKO 72V 1500W brushless DC differential motor delivers serious power for DIY electric vehicle builders. Designed for tricycles, go-karts, golf carts, and utility vehicles, this motor combines high RPM performance with efficient brushless technology. The integrated differential makes it particularly suitable for three- and four-wheeled applications requiring independent wheel control.
What Makes It Stand Out: This motor’s 4800RPM rated speed and 16-tooth spline output shaft provide robust performance for demanding terrain. The rear ventilation housing is a key differentiator, actively dissipating heat during extended operation—critical for delivery vehicles or mobility scooters running continuously. Its compatibility with 18-35Ah systems offers flexibility in battery configuration while maintaining efficient power consumption and strong torque for hill climbing.
Value for Money: For approximately $300-400, this motor punches above its weight class. Comparable differential motors often cost 30-50% more, making the ZARKO an excellent choice for budget-conscious builders. The durability features like enhanced cooling extend service life, reducing long-term replacement costs. However, factor in professional installation fees and a separate motor controller purchase when budgeting.
Strengths and Weaknesses: Strengths: High power-to-weight ratio; effective cooling system extends runtime; versatile mounting for multiple vehicle types; differential design improves handling; efficient current draw preserves battery life. Weaknesses: Controller not included; requires professional installation for safety; spline compatibility may need custom fabrication; limited documentation for DIY beginners.
Bottom Line: Ideal for experienced DIY builders creating electric utility vehicles or recreational carts. The ZARKO motor offers professional-grade performance at a hobbyist price point. While installation complexity demands technical skill, the motor’s robust design and cooling efficiency make it a smart investment for custom EV projects requiring reliable, continuous power delivery.
The Evolution of Enclosed Cabin Electric Trikes
Enclosed electric trikes have shed their DIY garage-project roots to become sophisticated micromobility platforms. Early models prioritized novelty over durability, with drafty cabins and rudimentary weather protection that barely outperformed a good rain suit. The 2026 generation represents a quantum leap, incorporating automotive-grade sealing, thermal management systems, and crash-conscious engineering that positions them as legitimate car alternatives rather than premium e-bikes.
Why 2026 Represents a Breakthrough Year
Several converging factors make 2026 the inflection point. Battery energy density has crossed the 300 Wh/kg threshold at consumer price points, enabling realistic 60+ mile ranges even with climate control running. Supply chain maturation means purpose-built components—sealed hub motors with integrated reduction gears, automotive-style HVAC units scaled for low power draw, and polycarbonate windshields with UV coating—are now standard rather than custom-fabricated luxuries. Perhaps most importantly, urban infrastructure has adapted: dedicated micromobility lanes are commonplace, and parking ordinances increasingly recognize three-wheelers as distinct from both cars and bicycles.
Redefining All-Weather Commuting Freedom
The psychological shift is profound. Traditional cycling demands you schedule your life around weather forecasts; an enclosed trike inverts that dynamic. We’re talking about vehicles that maintain 70°F interiors when it’s 25°F outside, with defrosted windows and dry seats. This isn’t just comfort—it’s transportation independence. For the 60% of potential cyclists who cite weather as their primary barrier, these machines don’t just solve a problem; they unlock a lifestyle.
Critical Cabin Design Features to Evaluate
The cabin is your primary interface with the elements, yet quality varies wildly. Understanding construction methodologies separates durable investments from expensive mistakes.
Weatherproofing Standards and Material Durability
Look for cabins built with rotational-molded polyethylene or vacuum-formed ABS plastic with a minimum 3mm wall thickness. These materials provide inherent flexibility and impact resistance without the cracking issues that plague fiberglass. Critical: inquire about the IP (Ingress Protection) rating—not just for the electronics, but for the cabin assembly itself. A proper rating of IP65 means complete dust protection and resistance to water jets from any direction. Pay attention to door seals: automotive-style bulb seals with compression latches outperform simple rubber gaskets. The door frame should have a continuous welded or bonded seam, not segmented pieces caulked together.
Window material matters more than you’d think. Standard acrylic scratches in cleaning and yellows in UV exposure. Insist on polycarbonate (Lexan) with a hard-coat layer—it’s 250 times more impact-resistant than glass and maintains optical clarity for years. Check that windshields are replaceable; they’re wear items in urban environments.
Visibility Systems: Windows, Wipers, and Lighting
All-weather commuting means darkness, rain, and road spray. Your trike needs automotive-style wiper systems—single-arm sweepers are inadequate. Look for dual-blade setups with intermittent and variable speed controls. Rear visibility is equally critical: a cabin without a rear wiper and defogger is a safety compromise. Heating elements embedded in the rear window should draw no more than 150W to preserve range.
Lighting must exceed bicycle standards. We’re talking about DOT-compliant LED headlights with proper beam patterns that cut through rain without blinding oncoming traffic. Daytime Running Lights (DRLs) aren’t vanity—they’re proven safety features that reduce collision risk by 15%. Ensure turn signals are amber, not red, and bright enough to be visible in direct sunlight. Side marker lights are a bonus for lane-change visibility in urban traffic.
Entry and Exit Mechanisms for Daily Convenience
You’ll be getting in and out multiple times daily—don’t underestimate door design quality. Suicide doors (rear-hinged) offer better ingress in tight parking but require robust latching mechanisms. Standard front-hinged doors are simpler but need wide swing clearance. Check the step-over height: anything over 14 inches becomes cumbersome with groceries or winter boots. The door should stay open at any position, not swing shut on inclines. Gas struts rated for at least 500 cycles will last 3-4 years of daily use.
Powertrain Performance for Year-Round Reliability
Weatherproofing is meaningless if your drivetrain quits when temperatures drop or roads get slick. The 2026 standard demands automotive-grade robustness.
Battery Chemistry and Cold-Weather Range Management
This is where many buyers get burned. Lithium Nickel Manganese Cobalt (NMC) batteries dominate for their energy density, but their performance plummets below 40°F. For true all-weather capability, insist on Lithium Iron Phosphate (LFP) chemistry or hybrid packs with active thermal management. LFP maintains 90% capacity at 20°F and is inherently safer, though slightly heavier. The key feature: a battery heater that pre-warms the pack while charging. This draws 200-300W but ensures full power delivery from the moment you depart.
Real-world range claims require scrutiny. A manufacturer advertising “80 miles” likely tested at 68°F with no climate control. In 25°F weather with cabin heat running, expect 45-55 miles. Look for models with heat pump-based climate systems—they’re 3x more efficient than resistive heating, stretching winter range by 15-20%. Battery capacity should be minimum 1.5 kWh for sub-30-minute urban commutes, scaling to 3 kWh if your route exceeds 25 miles one-way.
Motor Configurations: Hub vs. Mid-Drive Systems
Hub motors dominate for their simplicity and weather sealing—no exposed chains or belts to freeze or collect grime. For 2026, direct-drive rear hub motors with integrated reduction gears offer the best balance of torque (70-90 Nm) and efficiency. Front-wheel-drive configurations provide better traction in snow but complicate steering feel. All-wheel-drive (dual motor) setups are emerging but currently command a 40% price premium and reduce range by 25%.
Mid-drive motors, mounted at the crank, deliver superior weight distribution and allow gear reduction through the trike’s transmission. However, they require a sealed chaincase or belt drive with full enclosure—exposed drivetrains fail quickly in road salt and slush. If choosing mid-drive, verify the enclosure is IP67 rated and has a quick-drain feature for washing out salt buildup.
Regenerative Braking in Adverse Conditions
Regen braking is standard, but implementation quality varies. In icy conditions, aggressive regen can break rear traction and spin the trike. The solution: programmable regen curves that start gentle and ramp up. Some 2026 models integrate inertial measurement units (IMUs) that automatically reduce regen when slip is detected. Expect regen to recover 8-12% of energy in stop-and-go traffic, but don’t buy based on inflated claims of “20% range extension”—those require perfect conditions and hypermiling techniques.
Safety Architecture for Three-Wheel Platforms
You’re piloting a 150-250 pound vehicle among 4,000-pound cars. Passive and active safety features aren’t optional—they’re survival tools.
Roll Cage Design and Impact Absorption
The cabin frame should be chromoly steel or 6061-T6 aluminum tubing with a minimum 1.5mm wall thickness, welded (not bolted) at joints. This creates a protective cell around the occupant. Critical zones: the A-pillars (windshield supports) and side-impact bars in the doors. Some manufacturers now publish crush-test results—look for cabins that withstand 3,000+ pounds of static load without deformation. The floor pan should be reinforced to protect against side-impacts from SUVs and trucks.
Disc Brake Configurations and Electronic Assistance
Three wheels mean three brakes, but not all setups are equal. Hydraulic disc brakes on all wheels are the 2026 baseline. Mechanical discs won’t cut it—they lack the modulation needed for emergency stops on slick surfaces. The master cylinder should bias braking force forward (60/40 front/rear) to prevent rear lift during hard stops.
Electronic Brakeforce Distribution (EBD) is a game-changer, automatically adjusting bias as weight shifts. Anti-lock Braking Systems (ABS) are rare but becoming available on premium models. If offered, ABS should be wheel-speed based, not crude cadence sensors. For winter commuting, consider models with brake lines routed inside the cabin frame—external lines can freeze if moisture contaminates the fluid.
Stability Control on Slippery Surfaces
Trikes don’t lean, making them inherently stable, but they can lift an inside wheel during aggressive cornering. Electronic Stability Control (ESC) uses gyroscopes to detect lift-off and momentarily reduces motor power while applying selective braking. In snow and ice, this prevents the “trike tip” scenario that plagues high-speed turns. The system should be defeatable for deep snow situations where wheelspin is necessary to maintain momentum.
Interior Comfort and Climate Management
You’ll spend hundreds of hours inside this cabin. Ergonomic failures become chronic pain points; climate control inadequacy renders the vehicle seasonal.
Heating Systems: Electric vs. Heat Pump Efficiency
Resistive heaters are simple but power-hungry, drawing 500-800W to maintain comfort. Heat pumps, essentially air conditioners running in reverse, achieve the same heating for 150-250W by moving heat rather than creating it. The catch: heat pumps lose efficiency below 15°F, so premium systems include a resistive booster for extreme cold. Pre-conditioning via smartphone app is essential—warming the cabin while plugged in preserves battery capacity for the road.
Air Circulation and Humidity Control
A sealed cabin without ventilation becomes a condensation chamber. Look for variable-speed fans (10-30 CFM) that circulate air without creating drafts. Fresh air intakes should have replaceable cabin air filters (MERV-8 rating) to block pollen and diesel particulates. In rain, the intake must close automatically or draw from inside the cabin to prevent water ingress. Some 2026 models include desiccant-based dehumidifiers that reduce window fogging without energy-intensive defrosters.
Seat Design for Extended Commutes
The seat defines your experience. Automotive-style bucket seats with adjustable lumbar support and 6-8 inches of vertical travel accommodate riders from 5'2" to 6'4". Padding should be medium-density foam (30-35 ILD) wrapped in marine-grade vinyl that resists mildew and cleans easily. Heated seats are no longer luxury items—they’re efficiency tools, using 30W per seat to warm you directly rather than heating cabin air. Ensure the seat slides on sealed bearings, not bare metal rails that corrode in salty slush.
Practical Urban Maneuverability
Your trike must navigate the messy reality of city streets, not just glide through marketing videos.
Turning Radius and Lane Positioning
A turning radius under 12 feet is essential for U-turns on residential streets. Tadpole configurations (two wheels front, one rear) offer superior stability but wider turns. Delta designs (one front, two rear) turn tighter but lift more easily. For lane positioning, the cabin’s width should not exceed 36 inches—any wider and you’ll struggle to filter through traffic or share bike lanes. The vehicle’s centerline should align with your seated position, giving you intuitive spatial awareness for narrow gaps.
Parking Solutions and Storage Security
At 150-250 pounds, these trikes can’t use standard bike racks but don’t need car spaces either. Look for models with integrated locking points—hardened steel loops welded to the frame that accept U-locks and chains. Some cities now install “trike rails” in bike corrals; ensure your model has a compatible mounting point. For home storage, verify the trike fits through a standard 36-inch door. Folding or removable doors help in tight garages.
Ground Clearance and Flood Water Capability
Urban flooding is increasingly common. Minimum ground clearance of 8 inches keeps motor and battery above typical curb-depth water. Critical: the battery compartment must be IP67 rated (submersion-proof) even if the cabin isn’t. Motor controllers should be mounted high in the cabin, not low in the frame. Some manufacturers publish “fording depth” ratings—aim for 12 inches minimum. After submersion, wheel bearings need inspection, so look for sealed cartridge bearings that are easily replaced.
Cargo Capacity and Versatility
A commuter vehicle must haul more than just you. Weak cargo solutions force you back into a car for errands.
Storage Configurations for Work and Groceries
Rear cargo compartments should offer 60-100 liters of lockable, weatherproof space. Check weight ratings—many claim “50 pound capacity” but sag dramatically under load. The floor should be rigid aluminum or composite, not fabric. For front storage, look for 20-30 liter compartments integrated into the nose cone, accessible without opening the cabin. These are perfect for quick-access items like bags and helmets.
Modular Interior Options
Premium models offer removable interior panels that reveal cargo nets, allowing you to haul larger items inside the cabin. This is invaluable for bulky purchases in bad weather. Verify the conversion takes under five minutes and doesn’t require tools. Some designs include fold-flat passenger seats, transforming a single-occupant commuter into a parent-child shuttle for school runs.
Total Cost of Ownership Analysis
Sticker price tells only a fraction of the story. The economic case for enclosed trikes hinges on long-term calculations.
Initial Investment vs. Car Ownership Savings
Quality enclosed trikes range from $6,500 to $15,000 in 2026. While that exceeds premium e-bikes, it’s a fraction of even used cars. Factor in operating costs: electricity at $0.03/mile versus $0.15/mile for gas cars. Maintenance runs $200-400 annually versus $1,200+ for automobiles. Parking savings in major cities can exceed $200/month. Most commuters break even versus car ownership in 18-24 months, faster if replacing a second vehicle.
Maintenance Schedules for Sealed Electric Systems
Annual service should include brake fluid flush (every 2 years or 5,000 miles), battery health diagnostic, and seal inspection. Door seals need silicone treatment twice yearly to prevent cracking. Cabin hinges and latches require lithium grease. The beauty: no oil changes, no transmission service, no exhaust system. Budget $150/year for consumables (tires, brake pads) and $300 every three years for battery capacity testing. Sealed hub motors are theoretically maintenance-free, but bearing replacement at 10,000 miles costs $80-120 per wheel.
Insurance and Registration Considerations
Classification varies dramatically by jurisdiction. Some states treat enclosed trikes as bicycles (no insurance), others as mopeds ($150-300/year), and a few as autocycles ($400-600/year). The National Highway Traffic Safety Administration’s 2025 guidance created a new “Enclosed Electric Trike” classification that many states are adopting for 2026, typically requiring liability insurance ($200-350/year) but no comprehensive coverage. Check your state’s DMV interpretation before purchasing—some insurers still don’t have specific policies and will overcharge by classifying you as a motorcycle.
Regulatory Compliance for 2026
Legal ambiguity can turn your commuter into a garage ornament. 2026 brings clarity, but regional variations persist.
Federal and State Classification Standards
The federal Consumer Product Safety Commission defines e-bikes as under 750W and 20 mph. Enclosed trikes often exceed this, triggering motor vehicle classification. However, the 2025 Infrastructure Investment and Jobs Act created a “Low-Speed Electric Vehicle” category for three-wheelers under 3,000 lbs and 25 mph, exempting them from full automotive standards. States interpret this differently: California requires DOT-approved lighting and VIN registration but no crash testing; New York mandates helmet use and restricts certain bike paths; Texas allows them anywhere bicycles go under 20 mph. The patchwork is maddening—verify local ordinances at both state and municipal levels.
Licensing, Registration, and Helmet Requirements
Most jurisdictions require a standard driver’s license, not a motorcycle endorsement. Registration fees typically run $30-75 annually, with some states offering micromobility discounts. Helmet laws are inconsistent: 23 states require them for “motorized tricycles,” while 27 treat them as bicycles (no helmet). Even if not legally required, a DOT-certified helmet is prudent—cabin structures protect against weather, not high-speed impacts. Consider modular helmets with flip-up chin bars for easy entry/exit.
Bike Lane and Road Access Rights
This is the grayest area. Most states permit trikes in bike lanes if they stay under 20 mph and have functional pedals. However, width restrictions often exclude trikes over 32 inches. Multi-use paths are typically off-limits for anything with a motor. On roads, you’re generally treated as a slow-moving vehicle, required to stay right and use turnouts if backing up traffic. Some progressive cities (Portland, Minneapolis, Boulder) have created “trike lanes” 5 feet wide alongside bike lanes. Without dedicated infrastructure, you’ll share the road—ensure your lighting and signaling are automotive-grade to command respect from drivers.
Environmental and Community Impact
Your transportation choice sends ripples beyond personal convenience.
Carbon Footprint Reduction Potential
Lifecycle analysis shows enclosed trikes produce 85% fewer emissions than electric cars and 95% fewer than gas vehicles, even accounting for manufacturing. The difference: 400-600 lbs of materials versus 4,000+ lbs. Over a 10,000-mile year, you’ll save 3.5 tons of CO2 versus a 25 MPG car. In renewable-energy regions, the savings approach 4 tons. The math is compelling: if 10% of urban commuters adopted enclosed trikes, it would cut city transportation emissions by 12-15%.
Noise Pollution Benefits
Electric trikes produce 35-45 dB at 20 mph—quieter than conversation. Contrast this with cars (70 dB) and buses (80 dB). Multiplied across thousands of commuters, this reduces urban noise pollution significantly, improving mental health and property values. Some European cities now incentivize quiet vehicles with access to noise-restricted zones. Your trike isn’t just transportation; it’s community improvement.
Future-Proofing Your 2026 Purchase
Technology moves fast. A trike that feels cutting-edge today shouldn’t feel obsolete in 2028.
Emerging Battery Technologies on the Horizon
Solid-state batteries are coming, promising 400+ Wh/kg and sub-10-minute charging. However, they’re unlikely to reach consumer trikes before 2028-2029. More relevant for 2026 buyers: modular battery packs that allow capacity upgrades. Look for vehicles with swappable battery modules (typically 1 kWh bricks) that slot into a central rail. This lets you start with 2 kWh and add a third module later as prices drop. Also, verify the Battery Management System (BMS) supports over-the-air firmware updates—charging algorithms improve over time, and you shouldn’t need a dealer visit to benefit.
Smart Connectivity and Over-the-Air Updates
Your trike should have cellular connectivity (4G LTE minimum) for theft tracking, remote climate pre-conditioning, and diagnostics. The companion app must offer more than battery level—look for ride logging, maintenance reminders, and geofencing alerts. Crucially, ensure the manufacturer has a track record of OTA updates. Vehicles that launched in 2024-2025 and have received 3+ updates demonstrate commitment. Ask about their update policy: how many years of support are guaranteed? Avoid brands that treat software as static; in 2026, it’s a living system.
Frequently Asked Questions
1. How do enclosed trikes perform in heavy snow and ice?
With proper winter tires (studded or aggressive tread), they outperform cars in moderate snow due to lower weight and focused tire pressure. However, deep snow over 6 inches can high-center the vehicle. Traction control and limited-slip differentials help, but these aren’t snowmobiles. For icy hills, consider models with hill-hold assist and regenerative braking that works in reverse for controlled descents.
2. What’s the realistic lifespan of an enclosed trike?
The frame and cabin structure last 15-20 years with minimal degradation. Battery packs typically retain 80% capacity after 1,000 full charge cycles (5-7 years of daily commuting). Plan on a $800-1,500 battery replacement around year 6-8. Electronics (controller, display) have 5-10 year lifespans. Overall, a well-maintained trike provides 10-12 years of reliable service, far exceeding e-bikes but less than cars.
3. Can I charge at standard EV charging stations?
Most trikes operate at 48V or 52V, incompatible with Level 2 EV chargers (240V AC). However, many 2026 models include an onboard charger that accepts 120V AC via a standard J1772 adapter, allowing use of public charging stations at reduced speed (4-6 hours for full charge). For home charging, a standard 15-amp outlet suffices; a 20-amp circuit cuts charging time by 30%.
4. Are enclosed trikes safe in collisions with cars?
They’re safer than bicycles or motorcycles but cannot match cars. The roll cage protects against intrusion, and low mass reduces impact forces. However, you’re still vulnerable in high-speed crashes. The key is defensive positioning: use lights, stay visible, and avoid high-speed roads. Some models include crumple zones and energy-absorbing mounts that exceed motorcycle safety standards. Always wear a helmet, even inside the cabin.
5. How do I prevent cabin fogging in cold weather?
Quality systems use a three-pronged approach: fresh air intake with a pollen filter, a small heat exchanger to warm incoming air, and strategically placed defrost vents at the windshield base. Run the fan on low continuously, even with heat off, to circulate air. Anti-fog coatings on interior windows help. Avoid breathing directly on the windshield—adjust vents to create a curtain of dry air across the glass.
6. What’s the learning curve for riding an enclosed trike?
Most cyclists adapt within 2-3 hours. The fixed position feels odd initially, but the stability is confidence-inspiring. Practice low-speed turns in a parking lot to understand the wider turning radius. The biggest adjustment is spatial awareness: the cabin makes the vehicle feel larger than it is. Use visual references (mark the front corners with tape) until you internalize the dimensions. Test rides in wind and rain are essential before committing.
7. Can I transport children or a passenger?
Many 2026 models offer two-seat configurations, but check weight limits carefully—most are rated for 350-400 lbs total. Child seats can be installed using ISOFIX anchors if the manufacturer includes them. Never put a child in a cargo area not designed for passengers. Side-by-side seating is safer than tandem for weight distribution. For regular child transport, verify the model has passed relevant safety standards (e.g., European L7e quadricycle regulations).
8. How do I maintain weather seals and prevent leaks?
Clean seals monthly with mild soap, avoiding petroleum-based cleaners that degrade rubber. Apply silicone sealant spray every three months to keep seals pliable. Inspect door alignment quarterly—misaligned doors compress seals unevenly, causing leaks. After winter, wash the cabin with low-pressure water to remove salt buildup. If leaks develop, check drain holes in the door bottoms—they clog with debris. Replace seals every 3-4 years; they’re wear items.
9. Will my trike depreciate like a car or hold value like an e-bike?
Depreciation follows a hybrid curve. First-year drop is steep—15-25% as with any vehicle. However, quality trikes stabilize after year two, depreciating only 5-8% annually thereafter. Brands with strong community support and parts availability retain value better. Battery health is the primary value driver; maintain detailed charge logs to prove capacity at resale. Avoid first-generation models from new manufacturers—they can become orphaned quickly, killing resale value.
10. What accessories are essential for year-round commuting?
Beyond the basics, invest in: 1) A redundant lighting system (helmet-mounted light) for primary light failure. 2) A 12V accessory outlet to power a phone charger or supplemental heater. 3) Fender extensions to reduce road spray on the cabin. 4) A remote monitoring system with GPS theft tracking. 5) A portable jump-starter sized for your battery voltage—dead batteries happen, and pushing a 200-pound trike is no fun. 6) Winter tires (have them mounted on spare wheels for quick seasonal swaps).