This is our M30 THRU BB for installing the Praxis LYFT crank into 68/73mm BSA MTN frames. Also good for RaceFace/Easton Cinch cranks, Rotor Rex/3D+ cranks, and CaneCreek eeWings.Features:- For installing Praxis LYFT crank into BSA threaded frames- Also good for RaceFace/Easton Cinch , Rotor Rex/3D+ cranks, and CaneCreek- 68mm Road version / 68/73mm MTB setup- 30mm Drive bearing / 30mm NonDrive bearing Steel cartridge bearings- Forged & machined heat-treated AL Cups- Praxis M30 BB tool required for installation – Sold separately- M30 THRU BB's are 30mm Drive bearing with a 30mm Non-Drive bearing- MTB Guides-ISCG05 Good, ST Mounted Good, ISCG03 Not Good