Bottom BracketAll products of Bottom Bracket Thread BB (BSA/ITA) Next » Model No EMA-IB24-xxxx/EMA-IB30-xxxx Catalogue Thread BB Key Features INTEGRATED BOTTOM**ID:24/24mm for Shimano compatible**ID:24/22mm for SRAM Compatible**ID:25mm for Campagnolo compatible (No bearing)**ID:30mm for ROTOR 3D+ compatibleOptions:Color: Black & RedBearing: Steel Bearing & Ceramic BearingThread: BSA (1.37" x 24T) & ITA (36mm x 24T) Made inTaiwan