Speed: 9-speed
Mega-9 speed compatible
Steel
Designed for HOLLOWTECH II and Octalink cranks, have longer tabs so not interchangeable with other models
Shimano Reference Number: FC-M580

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.5 inch
Height : 1 inch
Length : 7.5 inch

Item Weight: 2.08 ounce (View shipping rates and policies)
Shipping Weight: 4 ounce (View shipping rates and policies)

ASIN : B001GSQM48