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