Simple front wheel stabilization for indoor training: gently lift the front wheel and place the bike rack under the wheel to stabilize the bike during workouts. Floor protection: helps keep floors from wear and scratches while you train. Durable lightweight construction: made of sponge and nylon, offering wear resistance, durability, and light weight. Broad compatibility: suitable for most road and mountain bike tire widths. Easy to use: no tools required; quick setup and removal for convenient, ondemand use. Portable and practical: compact design easy to store and carry as needed. Use scenarios Indoor training with minimal setup: place the rack under the front wheel to stabilize the bike on a trainer or stationary setup, allowing a steady ride. Quick maintenance or cleaning: stabilize the front end to prevent movement while you wipe down or tune the bike without shifting. Smallspace workouts or apartments: lightweight and compact solution to protect floors while you ride inside.