Ningbo Penk Intelligent Technology Co.,Ltd, Was founded in 1990'S, Specializing in producing bicycle and electric bicycle parts. The three main products are brake sets, Derailleur systems ,Pedals and more than 100 other related accessories
Index rear derailleur,
18/21speed long cage,
with bracket
Feature: steel CP,UCP,ED
Total capacity: 36T
Packing:
50PCS/CTN 40X24X16CM
