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
Shell: steel
Spoke holes:
14G,13G,12G,
10GX16H,20H,24H,28H,36H,40H,48H
Axle: 3/8” 5/6” S45C
O.L.D.: (F)82,100 (R)110,126,130,135
Color: CP,UCP,ED
