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,
12speed short cage,
direct installation
Feature: steel CP,UCP,ED
Total capacity: 28T
Packing:
50PCS/CTN 38X24X16CM
