Factor ONE Complete - Shimano Dura Ace Di2 - Onyx Black ABUSMTBMARCH 5 mm bottom bracket housings

5 mm bottom bracket housings with 47 mm inner diameter and cranks with a SRAM DUB shaft

Superior modulation gives you greater control

air bypasses the chamber and flows directly into your tire like a standard pump

Shifting under load is made possible on the X0 cassette through a combination of X-SYNC technology and cassette mapping

Factor ONE Complete - Shimano Dura Ace Di2 - Onyx Black ABUSMTBMARCH 5 mm bottom bracket housingsFactor One is UCI Legal Image is for reference, please read below for Specifications. Revolutionary Evolution The ONE is not a revolution pulled from thin air; it is the evolution of everything weve learned in recent years. From the Olympic record breaking HANZ Track to the all conquering OSTRO VAM, each project has added layers of knowledge. Weve amassed a deep understanding of form and shapes, fusing CFD, wind tunnel, and real world knowledge. How