Shimano SM-BBR60 Bottom Bracket Ultegra Italian 70mm

Weighing in at 77g, the SM-BBR60 Ultegra Bottom Bracket is 14 grams lighter than the 6700 bottom bracket offering professional level technology for the everyday cyclist.

Frame Interface: Italian Threaded
Spindle Interface: 24mm Shimano Hollowtech II
Bottom Bracket Shell ID: 36
Shell Width: 70mm
Color: Black
Weight: 77g (Manufacturer Claimed)