Bottom Bracket for 68mm Road frames and 68/73mm Mountain frames into a T47 frame. Use only with Praxis M30 Spindles or DMR Axe cranks.. Only for Praxis M30 spindle cranks being installed on a T47 frame. 68mm Road version /73mm MTN setup. 30mm Drive bearing / 28mm NonDrive bearing | Steel cartridge bearings. Forged & machined heat-treated AL Cups. Use M30 BB tool for installation
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