BB : The Cadet M30 mountain crank requires the use of a Praxis M30 bottom bracket as it has a 30mm drive bearing, and a 28mm non-drive bearing unique to Praxis. Please choose from the M30 options above for your specific frame spec.
DM RING : We make two versions of our DM rings for correct chainlines. “DM-A” or “DM-B”
When installed on a Praxis mtn crank : DM-A = 49mm NON-BOOST Chainline.
When installed on a Praxis mtn crank : DM-B = 52mm BOOST Chainline.