Feature●Cartridge Type Shielded Bearings Comparable to Shimano BB-UN26●BSA1.37x24 68mm BB Shaft Length 4.6 inches (118 mm) Square Core●Steel left and right cup●Use the same tool as Shimano BB●Country of Origin: ThailandDescription
The Shimano BB-26 is made of resin on the left cup so you may have a little hesitation when tightening. The BB cup is made of steel on the left and right so you can tighten it without hesitation.