Buying Guide for the Best Bike Cargo Trailers
Choosing the right bike cargo trailer can make carrying loads by bicycle much easier, safer, and more enjoyable. Before picking a model, consider how you plan to use it, what you want to carry, and how often you’ll use it. Think about where you'll be riding—city streets, rough paths, or a mix—since this can affect what features are most important. The right trailer should fit smoothly with your bike, match your cargo needs, and feel manageable to use.Cargo CapacityCargo capacity refers to how much weight or volume the trailer can safely carry. This is often measured in pounds or kilograms. Picking the right cargo capacity depends on what you plan to transport. If you only need to carry groceries or small packages, a lower capacity (under 60 lbs) is often sufficient. For bigger loads like camping gear, tools, or even pets, look for mid-range capacities (60-100 lbs). If you’re hauling heavy items regularly, choose a trailer that supports higher weights (over 100 lbs). Always remember not to overload, as it can affect stability and safety.
Trailer Size and DimensionsThe physical size and dimensions of the trailer determine how much space you have for larger or oddly-shaped items. Smaller trailers are easier to maneuver and store but might limit what you can carry. Larger trailers provide more room but can make turns and storage more complicated. Consider the size based on your most typical load – for instance, if you need to carry bulky items, a wider or longer trailer may be necessary. Make sure the trailer is not so large that it becomes difficult to handle on your regular riding routes.
Hitch TypeThe hitch is the connection point between your bike and the trailer. There are several attachment styles, including seat-post hitches and axle-mounted hitches. A good hitch should be easy to attach and detach, stable, and fit securely on your bicycle. Some types are more universal, while others may need special adaptors. Consider what kind of bike you have—especially if it has unusual frame shapes, disc brakes, or thru-axles—and choose a hitch compatible with your setup for the safest towing.
Wheel Size and TypeWheel size affects how smoothly the trailer rolls and how well it handles bumps. Smaller wheels (12-16 inches) are common on compact trailers and can be good for smooth, short trips. Larger wheels (20 inches or more) offer better performance on rough terrain, help with stability, and make towing easier over long distances. The type of wheel—spoked or solid—also matters: spoked wheels absorb shocks better, while solid wheels may need less maintenance. Pick based on the type of terrain you’ll use most often.
Weather Protection and CoverSome trailers come with weatherproof covers or canopies to protect your cargo from rain, dust, or sun, while others are open-topped. If you live in an area with unpredictable weather or plan to carry items that shouldn’t get wet, a covered trailer or one with add-on weather protection is a wise choice. For mostly dry rides and hardy cargo, an open design can work fine and offers easier access.
Folding or Storage OptionsFolding trailers can collapse down for easier storage and transport, which is handy if you have limited space at home or in your vehicle. Fixed-frame trailers are generally more robust but take up more space. If you plan to store your trailer in a small apartment or need to pack it for travel, a folding model may be best for your situation. Think about your available storage space before deciding.
Ease of Assembly and AttachmentSome trailers require tools and time to set up, while others are nearly ready to use straight out of the box. If you value convenience or plan to attach and remove the trailer frequently, look for simple assembly and quick-attach systems. If you’re comfortable with a bit of setup or plan on leaving the trailer attached most of the time, you may opt for models with more robust—but less user-friendly—designs.