Bicycle Hollow Integrated CNC Aluminum Alloy Crankset Dust Cover is a maintenance tool designed for bicycle cranksets. It is compatible with cranksets that have an inner diameter of 21-23 mm.
Material: aluminum alloy
Process: CNC, anodizing
Compatibility: suitable for crankset with inner diameter of 21-23 mm
Surface: smooth and delicate
Color: Black
Durability: not easy to fade, bright and durable color
