Phil Wood Outboard Bottom Bracket Set 345-159

Phil Wood manufactures their Outboard Bottom Bracket (OBB) Cups for 24 mm integrated spindle and crank systems from US-produced 7075 aluminum and stainless steel. Each OBB cup, center sleeve and spacer is machined in-house to the same high-quality standards they apply to all of their products.

All of their OBB cups come with their Standard 6805 bearings which have a full contact seal and a 100% fill with their Phil Waterproof Grease. You can also order your OBB cups with thier low drag Carbonyte bearings (Special order only).

Please note: When ordering replacement dust covers the OBBs use their standard size dust covers.