Description:High Quality Material: The bicycle crank arm dust cover hat is made of premium aluminum alloy, sturdy and durable

Easy Installation: The crank dust cover cap is equipped with 18/20mm rubber rings, suitable for most hollow cranksets

Good Protection: The crank cover can protect the crank from scratches and dust

Waterproof Cover: Good sealing, water resistant, this bike crank cover can protect the crank

Wide Applications: The aluminum alloy crank dust cap is widely suitable for mountain bikes, road bikes, etc

Specification:Material: Aluminum AlloySize Chart:25

8cmx8

6cm/1

02inchx0

34inchPackage Includes:1 Bike Crank Dust CapNote:Please allow slightly errors due to manual measurement and different monitors