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
Non-index thumb shifter,
For 18-21 spd
Clamp diam: Φ22.2mm
Feature:aluminium alloy, steel clamp
Standard color: UCP,aluminium alloy,black
Packing: 100PRS/CTN 50X32X26CM
