Enhance your biking experience with Road Bike Integrated Hollow Crankset Anti-loose Washer. Crafted from materials, this accessory a secure and performance. Its versatility is unmatched, as it fits perfectly with cranksets, ensuring a installation process. Say goodbye to loose cranksets with its anti-loose design, providing you with a stable and reliable ride. The hollow construction not only reduces weight but also improves the agility and speed of your bike. Plus, the guide plate washer offers extra protection for your bike's crankset and chainring. Features -Color:Black -Material:Metal -Size:2.00X1.00X0.10cm/0.79X0.39X0.04in -This gasket designed with hollow structure, this crankset gasket is anti-loose washer. -Specifically designed to fit perfectly with different bicycle's cranksets -Ensures a secure and stable ride by preventing any unwanted movement -Lightweight hollow design enhances the bike's speed and agility -Includes a guide plate washer for added protection of the crankset and chainring. Package list: 1 x Bike Crankset Washer