Threadless Cartridge Bottom Bracket

A great solution for repairs on bicycles with square-taper cranksets where the bicycle frame has damaged or stripped threads in the bottom bracket.

Durable Steel cups, body and axle with sealed bearings.

Compatible with 68mm English type BB frames.

Torque for tightening the bottom bracket is 40-50Nm

Cup OD: Left-33.5mm, Right-33.7mm
Bearing: 30x16x10mmx2pcs