Index front derailleur, top & down pull

For 30/2l speed, alloy clamp with plastic gasket

Clamp diam: Φ28.6mm, Φ3l.8mm,Φ34.9mm

top gear:42T Capacity:22T

Packing:50Pcs/ctn,54x24x17cm G.W: llKgs

定位前拨，上下拉兼容

30/21速,铝合金座架，塑料衬垫

安装直径:Φ28.6mm,Φ31.8mm,Φ34.9mm

最大齿数:42T 齿容量:22T