产品描述

2 个密封轴承 / 36 个棘爪以及（搭配）54 个棘爪

AL7075/Cr-Mo   Shimano 8/9/10/11/12S for MTB and ROAD

AL7075/Cr-Mo   Shimano MicroSpline 12S for MTB

AL7075 /Cr-Mo  Sram XD/XDR Driver for MTB and ROAD