RaceFace CINCH Bottom Bracket: BSA 73mm Shell x 30mm Spindle, External Seal

Race Face CINCH bottom bracket engineered for 30mm spindle cranksets within the CINCH family. Features external 6806 retainer bearings mounted outside the BSA shell for enhanced stiffness and a wider stance. Includes inner plastic sleeve and rubber external seal to guard against water intrusion. Compatible with standard threaded BSA 73mm shells and accepts additional fitments via CINCH spacer kits. Installation requires a 12-notch, 46mm BB tool.