BB-R60 Ultegra - 105 bottom bracket, British Thread Size:68mm tapered nose and midsection minimizes

tapered nose and midsection minimizes chafing during longer pedaling sessions

Keep your spare parts and emergency tools safe

gram-conscious casing designed to be compliant while still trail worthy

Use TLFC37 or TLFC25 in conjunction with TLFC36 adaptor tool for installation and removal

and handle for easy removal from your frame

BB-R60 Ultegra - 105 bottom bracket, British Thread Size:68mm tapered nose and midsection minimizesHollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability Use TLFC37 or TLFC25 in conjunction with TLFC36 adaptor tool for installation and removal For use with Ultegra 105 CX70 chainwheels Axles Standard 24mm Bottom Bracket Type BSA Threaded