This is our M30-THRU BB for installing our Doon & Lyft into BSA THREADED frames.
30mm DRIVE / 30mm Non-DRIVE
Also good for other brand 30mm cranks like SRAM, RaceFace/Easton “Cinch” cranks, Rotor Rex/3D+ cranks, and CaneCreek eeWings. See full spec and notes below.