Praxis Works BB PF30 73mm Mountain Convsersion BB
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New updated design with Rubber expanding collet.
For Praxis M24, SRAM/Truvativ/Quarq GXP2STEEL Spindle, also Oval Concepts 400 series MTN cranks.
Designed precisely to M24/GXP bearing stance & chain line spec.
Forged & machined heat-treated 7075 T6 Aluminum
Enduro 2437 Drive /2237ER Non-Drive steel bearings
For 73mm BB30 or PF30 mountain frames
68mm version cannot be used for MTB Cranks
MTB Guides-ISCG05 Good, ST Mounted Good, ISCG03 Not Good