Ultegra level bottom bracket for Shimano Hollowtech II cranksets in press-fit bottom bracket shells.
With reliable SHIMANO bearings and seals, the Shimano Ultegra bottom bracket has a long service life.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Weight: ~69 g
Mfg PartNum: ISMBB7241B
Bottom Bracket STD: PF24
Articles will open in new tab.