High performance bottom bracket. Machined from 6061-T6 aluminum with anodized black finish . Premium 440C stainless steel bearings. For installation/removal of notched cup BBs, use 12-notch for 46mm outside diameter BB tool, PK5832Item Specifications: Shell, BSA, Color, Red, Model Name, Hellbender 70, Spindle Interface, 24mm, Shell ID, 33.6mmx24tpi, Width, 68/73mm,.
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