Index rear derailleur,short cage

Feature: steel/resin

Capacity: 28T

Tyre tread: 57mm

Packing:50Pcs/ctn,42x26 x23.5cm

G.W:17Kgs

定位后拨，短臂，带接片【HG-39】

不带接片【HG-39A】反接片HG-39B

特征:钢制/树脂

齿容量:28T

两导轮间距:57mm