Praxis Works M30 Threaded Bottom Bracket 68mm/73mm BSA With Internal Sleeve - Black

This is Praxis English Threaded/BSA M30 bottom bracket for installing a Praxis M30 Spindle based crank into a BSA English threaded frame. Their patent pending design keeps the cartridge bearings outboard of the frame for greater rigidity and free of frame/c-clip tolerance issues that other systems deal with.Patent Pending Outboard Bearing DesignForged & machined heat-treated 7075 T6 AluminiumUse M30 BB tool for installation - sold separatelyFor M30 spindle based cranks onlyFor install in English Threaded/BSA framesForged & machined heat-treated 7075 T6 Aluminium30mm Drive bearing / 28mm Non-Drive bearingSteel cartridge bearings68mm Road version / 73mm MTB versionMTB Guides - ISCG05 Good, ST Mounted Good, ISCG03 Not Good