Using unparalleled craftsmanship in each unit, our Bottom Brackets are ready to be the “go to” choice for OEM’s and consumers alike!??Selecting only the finest Japanese steel races, coatings that provide increased performance and durability, ceramic balls that are produced in the USA, custom molded bearing seals and spacers, as well as the attention to detail it takes when hand assembling each ball of each bearing is what makes our Bottom Brackets standout from all our competitors.

* For BSA threaded shells x 68-73mm frame widths

* For 41mm Shell ID x 86-92mm width frame shells

* For T47 threaded shells x 86mm width "T47"?frames

* For ITA threaded shells x 70mm width "ITA" frames

* For T45 threaded shells x 82.5mm width frames