Description: Package Include: 1 pair bicycle silicone crank arm protector cover, provide high elasticity, better comfortable protection for your bicycle cranks. High Quality: Elasticity protective silicone material, waterproof, strong wear resistant and removable. Easy to install and convenient to use. Crank Arm Protectors: Used to prevent the crank wear and scratch Protects the surface of bike that is prone to scratching, chipping, and weathering. Application: These crank boot protectors can provide 360 degrees protection for your bicycle crank, fit for multiple mountain bikes carbon cranks. Bright Color: Silicone crank sleeve bicycle mountain bikes arm boots protector cover, crankset protection is also a decor for your bicycle Specification: Material: Silicone Size: 38.5mmx32.6mmx15.8mm/1.52inchx1.28inchx0.62inch Package Includes: 1 Pair of Crank Arm Protect Covers(6 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.