ACS MainDrive Integrated Headsets

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MainDrive Integrated Headsets feature CNC machined alloy tops with 45/45 degree sealed mechanism retainer bearings. Color Black, Red Bearing Type Cartridge Crown Race 26, 30 Define d Color Black, Red S.H.I.S Upper IS38, IS42 S.H.I.S. Stem Clamp Diameter 25.4 Threadless, 28.6 Threadless S.H.I.S Lower IS38, IS42 Show more