This is our M30 bottom bracket for installing a Praxis M30 Spindle crankset into your frame. Our 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.Forged & machined heat-treated 7075 T6 Aluminium.30mm Drive bearing / 28mm Non-Drive bearing.68mm Road version / 73mm MTB version. For M30 spindle based cranks only. (30/28mm) For install in English Threaded/BSA frames.Forged & machined heat-treated 7075 T6 Aluminium.30mm Drive bearing / 28mm Non-Drive bearing. (NOT BB30 or M30 Thru)Steel cartridge bearings.68mm Road version / 73mm MTB version.Use M30 BB tool for installation - sold separately.MTB Guides - ISCG05 Good, ST Mounted Good, ISCG03 Not Good.
