Index front derailleur,

For 27/21 speed,steel clamp.

Clamp diam: Φ28.6mm, Φ3l.8mm,Φ34.9mm

Top gear: 48T,42T Capacity: 22T

Packing:100Pcs/ctn,54 x24x17cm ·C.W:16Kgs

定位前拨，上拉式【QD-16A】，下拉式【QD-16】

27/21速，钢制夹环

安装直径:Φ28.6mm,Φ31.8mm,Φ34.9mm

最大齿数:48T,42T  齿容量:22T