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
Set: 8PC
Thread:BC1X24T
Diameter: 22.2/30/27
Stack height: 25.5+10.5=36
Bearings: 5/32X16X2PCS
Material: steel
Finish: CP or ED