RaceFace CINCH PF30 Bottom Bracket 46mm ID x 73mm Shell x 30mm Spindle External Seal CheckoutSpec= Steel Backed Chainrings can be easily exchanged

Chainrings can be easily exchanged with the direct mount system and one key release

Ramped tightly spaced center lugs reduce rolling resistance while more aggressive shoulder and  transition lugs provide grip in loose conditions

The SpeedMax has a fast rolling file-tread center with gripping side lugs perfect for loose sandy conditions and long sections of hard pack

The 36 tooth ratchets ensure direct power transmission

10% of profits from the Otter Cage sales is donated to organizations that protect wetlands & wildlife

RaceFace CINCH PF30 Bottom Bracket 46mm ID x 73mm Shell x 30mm Spindle External Seal CheckoutSpec= Steel Backed Chainrings can be easily exchangedRaceFace CINCH PF30 Bottom Bracket: 46mm ID x 73mm Shell x 30mm Spindle External Seal. Race Face bottom brackets for use with 30mm spindle cranksets in the Race Face CINCH crank family. TECH SPECS BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Frame Interface PF30 Bottom Bracket Shell I. D. 46 Defined Color Black Spindle Interface Type RaceFace Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type