Index rear derailleur,long cage,
w/o bracket
Feature: Alloy/steel/resin
Capacity: 39T
Tyre tread: 84mm
Packing:50Pcs/ct, 42 x26 x 23.5cm
C.W:17Kgs
定位后拨，长臂，不带接片
特征:铝合金/钢制/树脂
齿容量:39T
两导轮间距:84mm
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