This is Praxis' M30 Ceramic bottom bracket for installing a Praxis M30 road crank into a 68mm BB30 or PF30 road frame.
. Only for Praxis M30 spindle cranks being installed on a 68mm BB30 or PF30 road frame
. 30mm Drive bearing / 28mm Non-Drive bearing | cartridge bearings
. Ceramic version is Grade 5 / ABEC 5 rating
. Forged & machined heat-treated AL Cups
. Praxis M30 BB tool required for installation - Sold separately
. Note: This BB cannot be used for MTB Cranks
. Patented Pending expanding elastomer collet design
. "Rubber Collet" drive cup expansion for wiggle-free press
. Non-Drive O-Ring compensates for frame width discrepancies