STYLE A COMPATIBILITY: 16-Notch X 41mm – Fits for Shimano BBR60 (Ultegra 11-speed 6800 Series) and BB-MT800 (DEORE XT M8000 Series ) bottom brackets.
STYLE A COMPATIBILITY: 16-Notch X 44mm – Fits for 16-notch, 44mm diameter external bearing bottom bracket cups includes Shimano Hollowtech II, Campagnolo Ultra-Torque and Power Torque, FSA,GXP, Truvativ, and Phil Wood outboard bearing.
STYLE B COMPATIBILITY: 16-Notch X 39mm – Fits for Shimano XTR BB93 and Dura Ace BB9000 bottom brackets. 16-Notch X 46mm – Fits for OD 46mm, 24 teeth center shaft. For example SRAM, DUB, Race Face,Cinch, Rotor, BSA30, Zipp Vuma, Hawk Racing, BB3086, etc.
PREMIUM QUALITY: Made of high-strength aluminum alloy, tough will not rust and perfectly match the BB notches.
ABUNDANT SIZES: A and B two styles to choose from, a variety of sizes enough to meet your needs.