Run M30 28/30mm spindle Praxis - compatible cranks in a BSA threaded frameMachined aluminum cups thread in to a standard threaded frame and feature ABEC-3 sealed bearings outboard of the BB shellIncludes BB with bearings, silicone dust seals, 28mm insert, and an assortment of spacersFully serviceable68/73mmENGBox/Praxis M30Alloy/Steel102gBlackUPC/EAN/GTIN: 811079028983