19 grams heaver than the last version (SM-BB90A), the SHIMANO XTR SM-BB93 Case is even more efficient.
Designed for frames with a 68 or 73 mm box thanks to included hardware, this SHIMANO SM-BB93 case guarantees a softer rotation, reinforced water-tightness and will last longer for fluid and effective pedalling.
Axis Type : Thru-Axle
Axle Diameter : 24 mm
Bottom Bracket Type : BSC/BSA (English, Euro)
Bottom Bracket Width : 68 mm, 73 mm