Must-Have Bike Accessories for Every Cyclist

The most important accessory you can own is a good lock, because without it, you might not have a bike to accessorize. A U-lock provides the best security-to-weight ratio for everyday use. The hardened steel shackle resists cutting tools that would make quick work of a cable lock. For extra security, pair a U-lock with a cable loop to secure your front wheel as well.

On AliExpress, you can find solid U-locks with anti-pick cylinders and dust covers for under twenty-five dollars. Some come with mounting brackets so you can carry the lock on your frame without it bouncing around in a bag. Look for models rated at least Sold Secure Silver equivalent for urban use.

Always lock through the rear triangle of the frame and the rear wheel to an immovable object. The rear wheel is more expensive to replace than the front, so prioritize securing it if you can only loop through one wheel.

Bike lights are not optional — they are legally required in most places after dark and absolutely essential for your safety. A white front light and red rear light make you visible to drivers and help you see the road ahead. Even if you only ride during the day, having lights mounted on your bike means you are always prepared for unexpected late finishes or dark tunnels.

USB rechargeable lights have made battery-powered options obsolete. A solid set with 400-plus lumen headlight and 100-plus lumen tail light can be had for under fifteen dollars total on AliExpress. Multiple flash patterns let you choose between steady beam for dark roads and flashing mode for daytime visibility.

Read our detailed Best Bike Lights guide for specific product recommendations and what to look for when shopping.

A compact saddle bag mounted under your seat keeps essential repair items always on your bike so you never forget them at home. Pack it with a spare inner tube, two tire levers, a patch kit, and a multitool. This basic kit handles the vast majority of roadside mechanicals and fits in a bag the size of a fist.

Waterproof saddle bags are available on AliExpress for under ten dollars. Look for bags with reflective accents for additional nighttime visibility and secure strap-on mounting that does not sway while riding. Some larger bags can also fit your phone, keys, and a small snack for longer rides.

Add a mini pump or CO2 inflator to complete your emergency kit. CO2 inflators are faster but single-use. A mini pump is slower but unlimited. For commuters, we recommend the reliability of a mini pump. For racers, CO2 saves precious time.

If you ride in anything other than perfect dry weather, fenders are a game-changer. Without them, your rear tire flings a constant stream of water, mud, and grit up your back and onto your chain and brakes. Full-coverage fenders keep you dry and protect your components from accelerated wear caused by road grime.

Quick-release clip-on fenders are perfect for bikes without fender eyelets. They attach to the seat post and fork in seconds and can be removed just as quickly when the sun comes out. At just seven to twelve dollars on AliExpress, there is no excuse for arriving at work with a muddy stripe up your back.

Stock grips on many bikes are mediocre at best. Upgrading to ergonomic grips with proper hand support can eliminate numbness and tingling on longer rides. Lock-on grips use a clamp system that prevents rotation and slipping, unlike push-on grips that can twist when wet.

Ergonomic grips with a flat palm platform distribute pressure more evenly across your hand, reducing fatigue on rides over thirty minutes. They are one of the cheapest upgrades you can make — quality ergonomic grips start at just five dollars on AliExpress — with one of the biggest comfort improvements.

While your phone can handle fitness tracking, a dedicated bike computer has advantages: always-on display visible in direct sunlight, no battery drain on your phone, and no risk of crashing your expensive smartphone. Basic wireless speedometers show speed, distance, and ride time for under fifteen dollars.

For those who want more data without the phone mount hassle, a wireless bike computer is the perfect solution. Check our products page for our top-rated bike computers that we have tested for accuracy and reliability.