Shimano Saint BB80D Hollowtech II Bottom Bracket Features: Includes 3 x 2.5mm spacers Extra long threads on drive-side cup for increased interface when using bottom bracket mounted chain control device Gold anodized finish Specifications: Frame Interface: BSA/English Threaded Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, Surly OD, FSA MegaExo Light, RaceFace EXI) Bottom Bracket Shell ID: 1.37 Shell Width: 83mm Color: Gold Weight: 96.0g (Manufacturer Claimed)