5pcs Silver 1mm CNC Alloy Spacer Shim For Bicycle Chainring Bolt Screws

Category

Chainrings & BMX Sprockets

Store

eBay

Brand

Unbranded

Include: 5pcs shims for chainring bolts. Material: aluminium, 6061 CNC made. Spec: 1mm(thickness)x12mm(OD)x9.8mm (ID). It can adjust the crank position, and fit for your cassette ,to avoid chain drop.

4.59 GBP