Shimano Ultegra SM-BBR60 | English 68mm Bottom Bracket OEM Our Ultimate Tubeless Setup Kit

Our Ultimate Tubeless Setup Kit is a one-stop shop for everything you'll need to make the switch

all day (especially during those cafe stops)

Garmin handle bar mount

THE REAL IMMERSIVE INDOOR TRAINING EXPERIENCE

Shimano Ultegra SM-BBR60 | English 68mm Bottom Bracket OEM Our Ultimate Tubeless Setup KitWith reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. MODEL NO SM BBR60 SERIES ULTEGRA R8100 Series Average weight 77 HOLLOWTECH II bottom bracket Threaded bottom bracket type Threaded bottom bracket shell width (mm) 68 Threaded bottom bracket shell width (mm) 70 Small ball bearing