104mm BCD single speed rings designed for 10 speed drivetrains
Includes BSA 68/73mm bottom bracket
Shimano Reference Number: FC-M640

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1 inch
Height : 1 inch
Length : 1 inch

Item Weight: 3.6 pounds (View shipping rates and policies)
Shipping Weight: 3.4 pounds (View shipping rates and policies)

ASIN : B007YH87CK