FRAME TYPE : This specific M30 bottom bracket is made to be installed in a BSA frame, also known as an English Threaded frame.
BEARINGS : Praxis M30-THRU bottom brackets have a 30mm Drive and a 30mm NonDrive Bearing.
TOOL : This M30-THRU bottom bracket uses our M30 BB tools for installation and removal. Sold separately, these are available in either an M30 socket style tool here or as wrench style tool.
OTHER BRAND CRANKS -READ & FOLLOW YOUR CRANK INSTRUCTIONS You must read and follow the crank instructions that came with your specific brand and model of crank to determine the correct setup. Praxis provides 2mm dust covers for each side as base setup, but every brand has its own specific crank setup.