10 Best Bike Car Racks for 2026 (Smart Picks)

Looking for the 10 best bike car racks for 2026? You’ll find high-capacity, easy-to-use options that fit most vehicles and bike styles, including e-bikes and fat tires.

These bike car racks offer a variety of mounting types such as hitch, trunk, and roof mounts, along with foldable, portable designs.

Many feature anti-sway cradles, security locks, and durable finishes to protect your bikes during transit.

Some models can handle up to 200 lb and 50-inch wheelbases, while others come with ramps for quick and easy loading.

If you keep scrolling, you’ll uncover specific picks and learn why they stand out in terms of functionality and convenience.

CyberRack E2 Plus Foldable 2-Ebike Rack Carrier

The CyberRack E2 Plus Foldable 2-Ebike Rack Carrier is designed to make transporting your electric bikes safer and easier. With a 200 lb total capacity, it handles two e-bikes or heavier bikes without hassle. Its foldable ramp simplifies loading, reducing the effort needed to get your bikes on and off the rack.

This rack fits a 2-inch hitch receiver and supports e-bikes up to 5 inches wide and wheelbases up to 50 inches. The updated V-shaped front wheel cradle adapts to various tire sizes, ensuring a secure fit for different bike models. Its sturdy aluminum and steel build offers durability while protecting your bike frames with soft padding and rubber covers.

Maintenance is straightforward thanks to its robust materials and thoughtful design. The rack folds neatly for compact storage, preventing damage during transport or when not in use. Three adjustable positions and a reliable ratchet strap system keep your bikes stable, enhancing safety on every trip.

While the rack is heavier than some lighter models and requires a 2-inch hitch, its strength and versatility make it ideal for serious riders with larger or multiple e-bikes. It may have limitations with bikes exceeding specified dimensions, so checking compatibility is recommended.

Best for: Riders with two e-bikes or heavier bikes needing a versatile, high-capacity hitch rack for a 2-inch receiver.

What We Like:

• Supports up to 200 lb for two e-bikes or heavy bikes
• Fits e-bikes up to 5 inches wide and 50-inch wheelbases
• Foldable ramp and adjustable positions for easy loading and storage
• Durable aluminum and steel construction with protective padding
• Secure ratchet strap system for stable transport

Specification:

Feature	Details
Manufacturer	CyberRack
Capacity	200 lb (total)
Hitch Receiver	2-inch
Max Bike Width	5 inches
Max Wheelbase	50 inches
Material	Aluminum and steel
Design	Foldable with adjustable positions

CyberRack E2 Hitch Rack for E-Bikes with Ramp

The CyberRack E2 Hitch Rack offers a reliable solution for transporting heavy e-bikes safely and securely. Its thoughtful design tackles the challenges of carrying bulky, heavy bikes by providing a strong V-shaped front wheel cradle and vertical, semi-enclosed support rods that keep each bike stable during transit. This rack accommodates e-bikes up to 100 lbs and wide tires, making loading and unloading easier with the included ramp.

Designed specifically for 2-inch hitch receivers, the CyberRack E2 supports up to 200 lbs total, ensuring it can handle two heavy e-bikes or fat-tire bikes without compromising stability. The sturdy bolt system with shock-absorbing threads reduces vibrations, protecting your bikes and your vehicle during travel. Two support bars per bike provide additional security to prevent movement.

Maintenance is straightforward thanks to durable coatings that resist salt spray, helping to protect the rack during outdoor use. While long-term exposure may require periodic care, the construction prioritizes durability and reliability. The rack folds for storage, though its robust build can make it bulkier than some simpler models.

Best for: Riders needing a heavy-duty two-bike hitch rack for 2-inch receivers that can safely transport wide, heavy e-bikes and fat tires.

What We Like:

• Supports up to 200 lbs, ideal for heavy e-bikes and fat tires
• Secure V-shaped front wheel cradle and dual support bars per bike
• Convenient ramp included for easier bike loading and unloading
• Durable coatings resist corrosion from salt spray

Specification:

Feature	Details
Manufacturer	CyberRack
Dimensions	Fits 2-inch hitch receivers
Weight Capacity	200 lbs total (100 lbs per bike)
Compatible Tires	Up to 5 inches wide
Maximum Wheelbase	Up to 50 inches
Material	Steel with corrosion-resistant coating

Allen Sports Deluxe 2-Bike Trunk Mount Rack, Model 102DN-R, Black

The Allen Sports Deluxe 2-Bike Trunk Mount Rack offers a straightforward solution for transporting your bikes with ease. Its tool-free, single-configuration design allows quick installation, saving you time and effort when preparing for your ride. This rack is made to fold flat, making storage simple and space-efficient.

Designed for reliability, the rack features a padded lower frame and individual tie-downs that protect your bikes and keep them secure during travel. The 70-pound capacity supports a broad range of bike styles, thanks to 12-inch carry arms and 15-inch wide arms that accommodate different frame sizes.

Maintenance is minimal; simply fold it flat after use and store it conveniently. Side straps enhance stability on the road, but it’s important to check your vehicle compatibility on the manufacturer’s site before mounting to ensure a perfect fit. Bikes with unusual frames might require extra attention with tie-downs for added security.

This trunk-mounted rack is ideal for anyone who needs a quick, reliable way to transport two bikes without the hassle of complicated setups or storage issues. Its design focuses on convenience and protection, making it a practical choice for casual cyclists and weekend adventurers.

Best for: Individuals looking for a fast-install, compact trunk rack to carry two bikes securely and efficiently.

What We Like:

• Quick, tool-free installation with a pre-assembled setup
• Folds flat for easy storage and transport
• Padded lower frame and tie-downs safeguard bikes
• Supports a wide variety of bike frames up to 70 pounds
• Side straps provide additional stability during travel

Specification:

Feature	Details
Manufacturer	Allen Sports
Model	102DN-R
Capacity	70 pounds
Bike Capacity	2 bikes
Carry Arm Length	12 inches
Arm Width	15 inches
Color	Black
Style	Trunk Mount

Young Bike Rack Hitch for Car, 2-Bike Carrier, 200LB

Discover a hassle-free way to transport two bikes securely with the Young Bike Rack Hitch for Car. Designed for 2-inch hitch receivers, this sturdy rack holds up to 200 lbs, making it perfect for families or weekend riders who need a reliable carrier. Its platform-style layout ensures bikes stay stable and easy to load.

This bike rack’s smart tilting and easy-fold design allow quick access to your trunk without removing the bikes. When not in use, it folds compactly for simple storage. The padded hooks protect bike frames and minimize movement during transit, reducing the risk of damage.

Installation is straightforward and fast, with most components pre-assembled for convenience. The rack stays firmly in place thanks to a hitch tightener that eliminates wobble. It supports a variety of bike wheel sizes from 20 to 29 inches, including fat tires up to 5 inches wide.

Maintenance is minimal; just keep the padded hooks clean and check the tightener regularly to ensure a secure fit. This rack is ideal for those who value easy access, stability, and compact storage when transporting two bikes.

Best for: Vehicle owners with 2-inch hitch receivers who need a sturdy, user-friendly two-bike carrier with easy trunk access.

What We Like:

• Platform design with tilt and fold features for trunk access
• Padded hooks protect frames and reduce bike sway
• Quick, tool-free installation on 2-inch hitches
• Hitch tightener keeps rack stable and wobble-free

Specification:

Feature	Details
Manufacturer	Young
Capacity	2 bikes (up to 200 lbs)
Hitch Size	2 inches
Bike Wheel Size	20–29 inches (up to 5-inch fat tires)
Weight	Not specified
Color Options	Not specified

Allen Sports Deluxe 4-Bike Hitch Mount Rack (2-Inch Receiver) , Black

The Allen Sports Deluxe 4-Bike Hitch Mount Rack (2-Inch Receiver), Black offers a reliable solution for transporting multiple bikes safely and easily. Its no-wobble bolt design ensures the rack stays steady in the hitch, preventing annoying movement during travel. This stability improves your driving experience by reducing noise and wear on your bikes.

This rack features a patented tie-down cradle system that securely holds each bike individually. The carry arms fold neatly out of the way when not in use, and the rack itself tilts back for easy access to your vehicle’s lift gate. These thoughtful design elements make loading and unloading bikes faster and more convenient.

Maintenance is straightforward thanks to the durable black powder-coated finish, which resists weather and corrosion. While minor assembly is required, all retainer clips remain attached with lanyards to avoid loss. The rack’s sturdy construction supports up to four bikes, which may add some weight but ensures you can carry multiple bikes safely in one trip.

Best for: riders who want a solid, no-wobble 4-bike rack compatible with a standard 2-inch hitch and easy lift-gate access.

What We Like:

• No-wobble bolt eliminates rack movement inside the hitch.
• Patented tie-down cradles securely hold bikes individually.
• Folding carry arms and tilting rack allow easy vehicle access.
• Durable powder-coated finish protects against the elements.
• Lanyard-attached retainer clips prevent loss during assembly.

Specification:

Feature	Details
Manufacturer	Allen Sports
Capacity	4 Bikes
Hitch Receiver	2-Inch
Finish	Black Powder-Coated
Assembly	Minor Required

Bike Rack Hitch for Car – 2-Ebike Carrier (2″)

The Bike Rack Hitch for Car – 2-Ebike Carrier (2″) offers a smart and reliable way to transport two bikes securely on vehicles with 2-inch hitch receivers. Its tilt-release feature allows easy trunk access even when bikes are loaded, solving the common problem of restricted rear vehicle access during trips. This design keeps your daily routine smooth without the hassle of unloading bikes to open the trunk.

When not in use, the rack folds neatly against your vehicle, saving space and avoiding potential damage in tight garages. Its sturdy construction ensures a rattle-free, stable ride, thanks to anti-sway cradles and reinforced locking mechanisms. This means your bikes stay safe and steady, reducing wear and tear during transit.

The carrier supports up to 160 lbs, comfortably holding two bikes, including those with fat tires up to 5 inches wide. It is ideal for SUVs, trucks, and minivans equipped with a 2-inch hitch receiver. Installation is simple with tool-free setup and QR-guided instructions, making maintenance and adjustments straightforward.

While the rack excels in stability and convenience, keep in mind it requires a 2-inch hitch receiver and may extend the vehicle’s length when folded with bikes mounted. This means some space clearance is necessary during storage or parking.

Best for: Families and outdoor enthusiasts who need a compact, secure two-bike carrier compatible with 2-inch hitch receivers, offering easy trunk access and stable transport.

What We Like:

• Convenient trunk access with tilt-release even when bikes are loaded
• Secure, rattle-free ride with anti-sway cradles and reinforced locking
• Supports two bikes including fat tires up to 5 inches wide
• Tool-free installation with QR-guided setup for easy use

Specification:

Feature	Description
Manufacturer	Not specified
Hitch Size	2 inches
Bike Capacity	2 bikes
Max Weight Limit	160 lbs
Tire Compatibility	Up to 5-inch fat tires
Folded Dimensions	Folds flush against vehicle

RokRack One Foldable 2-Ebike Rack for 2″ Receiver

The RokRack One Foldable 2-Ebike Rack is designed to make transporting two heavy ebikes easy and space-efficient. Its foldable design ensures you don’t lose valuable interior space while traveling, ideal for RV users who want to keep their living areas clear. The rack supports up to 200 lbs total, handling ebikes with heavy frames securely.

This rack fits standard 2-inch receivers found on cars, SUVs, vans, and RVs, making it versatile for various vehicles. A built-in ramp simplifies loading and unloading, even for ebikes weighing up to 100 lbs each. You can carry ebikes with wheelbases up to 50 inches and tires up to 5 inches wide, covering most common ebike sizes.

Constructed from alloy steel and aluminum, the rack resists rust and stands up to outdoor exposure. Padded contact points and anti-scratch features protect your bikes during transit. The folding function also allows for compact storage when not in use, reducing clutter at home or on the road.

Maintenance is minimal thanks to durable materials and rust-resistant coatings. Regular cleaning and inspection will keep the rack functioning smoothly and safely over time.

Best for: RV travelers who want to transport two ebikes without sacrificing interior space, with a foldable design and 2-inch hitch compatibility.

What We Like:

• Supports two ebikes up to 200 lbs total with individual trays up to 100 lbs each
• Foldable design for space-saving storage and easy transport
• Durable alloy steel and aluminum construction with rust resistance
• Padded and anti-scratch points protect bikes during travel
• Compatible with 2-inch hitch receivers on multiple vehicle types

Specification:

Feature	Details
Manufacturer	RokRack
Dimensions	N/A
Weight Capacity	200 lbs total (100 lbs per tray)
Material	Alloy steel and aluminum
Receiver Size	2 inches
Max Tire Width	5 inches
Max Wheelbase	50 inches

Allen Sports Ultra Compact Folding 2-Bike Trunk Mount Rack, Model MT2-B

The Allen Sports Ultra Compact Folding 2-Bike Trunk Mount Rack (Model MT2-B) is designed for travelers who need a portable and space-saving bike carrier. Its foldable design lets you pack it into a backpack, making it easy to carry on trips. Weighing just 7.26 pounds, this rack dramatically reduces hassle when transporting bikes.

This rack securely holds two bikes with three padded legs and adjustable straps that protect your vehicle’s finish. It fits neatly on hatchbacks, trunks, minivans, and SUVs, supporting up to 70 pounds. The padding and tie-downs help prevent scratches and damage during travel.

Maintenance is simple thanks to its durable gray powder-coated finish, which resists rust and wear. When not in use, the rack folds down to a compact 17 x 6.5 x 4 inches and stows away in the included carrying bag. This makes storage convenient and protects the rack from environmental damage.

While it’s excellent for trunk mounting, the rack may require careful adjustment for a snug fit on some vehicles. Also, it can limit access to rear compartments and may obstruct visibility depending on placement. Despite these considerations, it remains a practical, lightweight option for two-bike transport.

Best for: travelers needing a lightweight, compact, trunk-mounted bike rack that is easy to carry and store.

What We Like:

• Ultra-compact folding design fits in a backpack for easy transport
• Secure two-bike capacity with padded legs and adjustable straps
• Durable powder-coated finish for long-lasting use
• Supports up to 70 pounds across various vehicle types
• Includes carrying bag for clean, convenient storage

Specification:

Feature	Details
Manufacturer	Allen Sports
Model	MT2-B
Weight	7.26 lb (3.3 kg)
Dimensions	17 x 6.5 x 4 inches
Capacity	2 Bikes, up to 70 pounds
Finish	Gray powder-coated steel

E-Bike Rack with Ramp, 2 Bike Carrier

Transporting heavy electric bikes can be a challenge, but the E-Bike Rack with Ramp, 2 Bike Carrier makes it effortless and secure. Designed to handle two electric or heavy-duty bikes up to a total of 200 pounds, this rack simplifies loading with its upgraded V-groove ramp. The ramp guides your bike wheels smoothly onto the platform, reducing strain and risk of damage during loading.

This bike carrier fits tires up to 5 inches wide and wheelbases up to 50 inches, making it versatile for fat tires and step-through bike designs. Its compatibility with 2-inch hitch receivers means it can be mounted on most cars, trucks, SUVs, and minivans. The foldable platform design allows for easy storage when not in use, saving space in your garage or vehicle.

Built with lightweight aluminum and steel, the rack balances durability with portability. Its anti-wobble bolt and patented V-shape cradle keep your bikes stable during transport, minimizing movement and potential damage. For extra security, an optional hitch lock is available to prevent theft.

Maintenance is straightforward due to its durable materials, requiring only occasional cleaning and inspection of bolts to ensure safe operation. While the setup is heavier, the ramp significantly eases loading, especially when handling two heavy bikes.

Best for: Transporting two electric or heavy-duty bikes on vehicles equipped with 2-inch hitch receivers, including cars, trucks, SUVs, and minivans.

What We Like:

• Smooth loading with upgraded V-groove ramp and anti-wobble hitch bolt
• Accommodates wide tires and long wheelbases for diverse bike types
• Foldable and lightweight design for convenient storage and handling
• Durable aluminum and steel construction for lasting performance
• Secure transport with patented cradle and optional hitch lock

Specification:

Feature	Details
Manufacturer	Not specified
Compatible Tire Width	Up to 5 inches
Max Wheelbase	Up to 50 inches
Max Load Capacity	200 pounds (2 bikes total)
Hitch Size	2-inch receiver
Material	Aluminum and steel
Platform	Foldable
Vehicle Compatibility	Cars, trucks, SUVs, minivans

MaxxHaul 2-Bike Hitch Mount Rack (100 lb)

MaxxHaul’s 2-Bike Hitch Mount Rack offers a practical solution for transporting bikes safely and securely. Designed to fit most vehicles, it works seamlessly with both 1-1/4″ and 2″ hitch receivers, covering a wide range of cars, trucks, SUVs, and minivans. This versatility removes compatibility worries and makes it easy to switch between vehicles without hassle.

The rack’s sturdy construction includes a main upright with a built-in locking knob, which effectively reduces wobbling during transit. This stability helps protect your bikes from damage caused by excessive movement. Additionally, the rack supports up to two bikes with a combined weight capacity of 100 pounds, providing ample support for most recreational bicycles.

Bike security is enhanced through rubber cradles and buckle-type straps that hold each bike firmly in place. These features prevent scratches and shifting, ensuring your bikes arrive in the same condition they were loaded. For maintenance, the rack’s durable materials require minimal upkeep, simply regular checks of straps and fasteners.

While this rack excels in many areas, it is not recommended for trailers, RVs, or fifth-wheel applications due to potential bouncing that could stress the structure. Also, it may need an extra crossbar for bikes with non-horizontal top bars, adding a small step for some users.

Best for: cyclists seeking a budget-friendly, adaptable hitch rack that fits most standard hitch sizes and vehicles while securely carrying two bikes up to 100 lb total.

What We Like:

• Fits both 1-1/4″ and 2″ hitch receivers for broad vehicle compatibility
• Built-in locking knob reduces rack wobble for stable transport
• Rubber cradles and buckle straps keep bikes secure and protected
• Supports two bikes with a total capacity of 100 pounds

Specification:

Feature	Details
Manufacturer	MaxxHaul
Capacity	2 bikes
Weight Limit	100 lb (45 kg) total
Hitch Sizes	1-1/4″ and 2″ receivers
Compatible Hitch Classes	I-IV
Material	Durable steel
Color	Black

Factors to Consider When Choosing Bike Car Rack

When you choose a bike car rack, start by matching weight capacity to your bikes and gear, and check vehicle compatibility to avoid fit issues. Consider your bike width range and the mounting type options to guarantee secure attachment and easy loading, then weigh storage and foldability for convenient use when not at the hitch.

Keeping these factors in mind helps you pick a rack that balances safety, practicality, and long-term value.

Weight Capacity Limits

Before you choose a bike rack, check its maximum weight capacity to guarantee it safely carries all the bikes you plan to transport. Confirm the rack’s maximum weight capacity can safely support the combined weight of all bikes intended for transport.

Check that individual bike weight limits do not exceed the rack’s specified maximum per bike to prevent damage or failure. Consider the weight of heavier e-bikes or fat-tire bikes, which can range up to 60-70 lbs per bike, when selecting a rack.

Be aware that exceeding the weight capacity can compromise the stability and safety of the entire rack during transit. Always verify the total weight limit against your bikes’ combined weight to ensure safe and reliable transportation.

Vehicle Compatibility

Choosing the right bike car rack starts with vehicle compatibility: make certain the rack fits your hitch size (usually 2 inches or 1-1/4 inches) or is designed for trunk-mounting if that’s your setup, and verify it can safely carry the total weight of all bikes you plan to transport.

Start by confirming the rack’s weight rating matches or exceeds your combined bike weight, considering hitch or trunk limits. Next, ensure the rack can accommodate your bike’s frame type, wheel size, and tire width, especially if you have fat tires or longer wheelbases.

Check the mounting method to suit your vehicle type, whether it’s a hitch receiver, trunk, hatchback, or rear door mount. Finally, consider rear clearance for opening doors or trunks with the rack installed to prevent interference.

Bike Width Range

Bike width range is a key factor to contemplate because it determines how securely your bikes will ride. You’ll find racks vary in width compatibility, with most handling up to 5 inches, including fat tires. Some models target narrow road bikes, typically under 2.5 inches, for a snug fit.

Adjustable wheel trays and cradles help you cover a broad spectrum from standard to fat tires, but you should verify clearance for wider frames or fat tires to ensure safe transport. Always check the rack’s maximum bike width to prevent damage and preserve stability.

If you plan mixed bikes, prioritize racks offering flexible adjustments and clear markings for supported widths. Remember, proper fit hinges on measuring your bikes and matching them to the rack’s stated range.

Mounting Type Options

Mounting type options each offer different levels of stability and convenience, so you should weigh how you’ll use the rack, how often you’ll load and unload, and where you’ll drive. Hitch-mounted racks connect to a 2-inch receiver, offering strong support for multiple bikes and up to about 200 lbs total, making them a solid all-around option for frequent carrying.

Trunk-mounted racks install on the trunk or hatch with straps and hooks, delivering easy setup but sometimes less stability on rough roads. Roof-mounted racks use crossbars, keep rear visibility clear, and suit long trips, though loading can be more awkward.

Tailgate-mounted racks attach to the rear of SUVs or hatchbacks, are generally portable, and install quickly for light-use scenarios. Choose based on vehicle access, load frequency, and ride conditions.

Storage & Foldability

When space matters, a foldable bike rack shines: it collapses flat for easy storage in garages, closets, or vehicles, freeing up valuable room. You’ll appreciate the compact footprint when you’re not hauling bikes, and you’ll notice the lighter load for transport and parking.

A foldable design uses hinges or collapsible components to switch between riding and storage quickly, so setup and takedown stay simple. Storage-friendly builds are ideal if your garage or trunk is tight, making them sensible for daily commuting or spontaneous trips.

Many models add carrying handles or integrated bags, boosting portability once the rack is folded. Choose foldability with sturdy materials and reliable latching to guarantee both secure use on the road and compact storage at home.

Protection Features

To protect your bikes during transport, prioritize racks with padded contact points and rubber covers that prevent scratches and finish damage. Look for secure ratchet straps or tie-downs that lock bikes at multiple points to minimize movement and sway. Choose racks with semi-enclosed or cradle-style support systems for stable, wobble-free holding on rough terrains.

Verify anti-sway features or reinforced locking mechanisms that keep bikes firmly in place during transit. Consider weather-resistant coatings and corrosion-resistant materials to defend against salt spray and rain. Ascertain the rack’s finish won’t deteriorate under outdoor conditions, and that padding remains intact after exposure to moisture.

Installation Ease

If you’ve got protection features locked in, you’ll want installation that keeps pace with your setup. Look for tool-free installation or clearly note any extra tools required, since this affects setup time and convenience. Check whether the rack arrives pre-assembled or needs assembly, as that directly impacts ease of use.

Rely on clear, detailed instructions or video guides to simplify mounting steps. Favor racks with adjustable straps, quick-release mechanisms, or foldable parts that enable fast attachment and easy removal. Confirm the mounting system fits your vehicle’s hitch class or trunk type to avoid wonky setups or professional tweaks.

A thoughtful design minimizes fuss, so you can secure your bike swiftly and confidently for each trip.

Frequently Asked Questions

How Secure Are Bike Racks Against Theft?

Bike racks can be fairly secure, but no setup is theft-proof. Use locking mechanisms, sturdy mounting, and hitch pins, plus alarmed or cable-locked bikes.

Keep valuables off, and park in visible areas to deter curious hands.

Do Racks Affect Fuel Efficiency or Aerodynamics?

Yes, racks affect aerodynamics and fuel efficiency; they create drag, especially at higher speeds, so you’ll use more fuel.

Choose streamlined designs, keep weight down, and remove racks when not in use to save gas.

What’s the Warranty Coverage Duration and Terms?

Warranty coverage varies by brand, but you’ll typically get 1–2 years for manufacturers’ defects and limited lifetime options on certain components.

Terms usually require proof of purchase, proper installation, and normal use, with exclusions for misuse or wear.

Can Racks Fit Limited-Accessory Bikes (Odd Frames)?

Racks can fit limited-accessory bikes, but it depends on the model’s fit and compatibility. Check wheelbase, frame shape, and clearance.

You’ll want adapters or adjustable cradles for odd frames to secure them safely. Always follow manufacturer guidelines.

Are There Height Clearance Considerations With Racks Installed?

Yes, you should verify height clearances. When you install a rack, measure your vehicle’s tallest point and doorframes, garage openings, and any roof racks. Confirm clearance during loading, driving, and parking to avoid contact.

Regularly recheck after adjustments.

Conclusion

If you’re choosing the right bike car rack, start with your car’s hitch size, bike weight, and how you’ll transport them. Consider ease of loading, security, and foldable options for storage. Match a model to your typical trips and budget, from sleek hitch mounts to compact trunk racks.

Ready to hit the road with confidence? Remember: the best rack fits your car, protects your bikes, and makes every ride hassle-free. When selecting from the 10 best bike car racks for 2026, smart gear is definitely worth it.