Origin8 Revolvr Eccentric BSA Bottom Bracket 68/73mm HTII/GXP Model-12mm Internal Wearers of this shirt showed

Wearers of this shirt showed a 13% increase in both coolness and cycling speed

optimized for fast rolling and best in class cornering traction

Designed for the rigors of mountain biking and trekking the Beavertail can also be used by commuters who want increased durability

Lengthens lifetime of dust seals

while an updated tread pattern improves efficiency

Origin8 Revolvr Eccentric BSA Bottom Bracket 68/73mm HTII/GXP Model-12mm Internal Wearers of this shirt showedConverts a BSA (1. 37` x 24tpi x 68 73mm) frame to a single speed or fixed gear setup. Compatible with both HTII and GXP spindles. CNC machined AL6061 cups. Sealed bearings. Includes spacers a GXP shim and a wave washer TECH SPECS Width 68 73mm BB Interface BSA Spindle Type HTII GXP Length Cup Material AL6061 Weight Cup Type Cup OD Bearing OD Color Black