NECO SHIMANO TYPE BIKE BB BOTTOM BRACKET SEALED CARTRIDGE.

BC 1.37x24t = 103

Single Speed

Size 68 x 103mm

High quality cartridge sealed bearing with aluminum sheath

Cold-forged steel cups. Threads BC1.37x24t ENGLISH THREAD

Axle boron steel (square) BSA Standard set with 2 spindle bolts

Weight 311g-341g