At Escapa, we carry the widest selection of Shimano bottom brackets. The Shimano BSA Square-Taper 115mm/68mm BB-UN300 cartridge-style bottom bracket is compatible with Shimano cranksets and other brands that use a square-taper axle.
Steel axle, aluminum cups, and steel bearings.
For 68 mm bottom brackets.
Axle length: 115 mm.
Thread: BSC
