RaceFace CINCH PF30 Bottom Bracket: 46mm ID x 73mm Shell x 30mm Spindle, External Seal Shimano It is ergonomically designed and

It is ergonomically designed and scientifically tested to provide unmatched comfort and support while reducing pressure on soft tissue

Replaceable chainrings

The DART anchors into a puncture while creating a simple and safe chemical reaction with your Stan’s sealant to quickly form a permanent airtight bond

quicker lever access

RaceFace CINCH PF30 Bottom Bracket: 46mm ID x 73mm Shell x 30mm Spindle, External Seal Shimano It is ergonomically designed andRace Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. Allows the use of a CINCH 30mm spindle crankset with PF30 bottom bracket shell Standard 6806 retainer bearings Bearings are external to the BB shell resulting in a stiffer wider stance Cups are machined for a high tolerance frame fit Rubber seal located on the bearing's external side helps to reduce the risk of water penetration Installed using a