Fit : 123BCD for campagnolo Ekar crank, only for Ekar 13 speed chain. Narrow wide tooth, it design for 1x speed only, can not use as 2x speed, not support front shifting derailleur. Chain Speed support: only for Campagnolo Ekar C13 chain, 13 speed. Tooth: 38T-50T; Size: 123 BCD round; Thickness: 4MM...

A professional-grade tool designed to drive rivets in and out of any bicycle chain Compatible with single-speed bicycle chains including 1/8", 3/16" and half-link Compatible with all 5 to 13-speed derailleur chains, including SRAM 12-speed Flattop, SRAM 12-speed T-Type, Shimano 12-speed XTR, and Cam...

Made in the USA Fits on a Shimano Hyperglide style freeehub spline (geared or single speed) Not compatible with Shimano Microspline or SRAM XD freehubs. Designed to work with any chain through 12-speed Tooth width optimized for 9, 10, and 11-speed chains These aluminum single speed cogs feature extr...