Shimano Ultegra SM-BBR60 Bottom Bracket

Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets. Reduced size for light weight. New seal construction for smoother rotation. Requires Park BBT-49.2 installation & removal tool, as seen below.
Threading: English or Italian threading.
Press Fit BB72-41B: "BB86" to fit 86.5mm shell width, 41mm cup diameter.

English Thread
Spindle Interface Type: Shimano Hollowtech II
Bottom Bracket Shell I.D.: 1.37
BB Shell Width (mm): 68 mm
Defined Color: Black
BB/Frame Interface: English
Weight: 77 g

Italian Thread
Spindle Interface Type: Shimano Hollowtech II
Bottom Bracket Shell I.D.: 36
BB Shell Width (mm): 70 mm
BB/Frame Interface: Italian
Weight: 77 g

BB72-41B Press-Fit
Spindle Interface Type: Shimano Hollowtech II
Bottom Bracket Shell I.D.: 41
BB Shell Width (mm): 86 mm
Defined Color: Black
BB/Frame Interface: BB86
Weight: 69 g