Bottom bracket Shimano Ultegra SM-BBR60

Shimano Hollowtech II SM-BBR60 BSA bottom bracket for Ultegra FC-R8000/6800, 105 FC-R7000/5800 and GRX FC-RX810 cranksets.

Features

• Outside positioned bearings for better weight distribution and more stability

• Bottom bracket has smaller, bearings than current model for lightweight

• New improved sealing ensures 50% less drag

Product features

• Use: Road, Gravel

• Gruppe: Ultegra, 105, GRX

• Model: SM-BBR60

• BB-Type: HOLLOWTECH II

• Threaded: BSA

• Threaded BB shell width: 68mm

• Shell diameter: BSA (BC 1.37)

Compatibility

• Ultegra FC-R8000 / FC-6800

• 105 FC-R7000 / FC-5800

• Metrea FC-U5000

• GRX FC-RX810

• FC-CX70

Weight

• 77g