The Salt OPC Crank is a really simple, forged 1-piece crank system that's perfect as a replacement or for a restoration project. Built from forged CrMo the OPC has a slim crank arm design that's only compatible with RSD drivetrains. The spindle is designed to work with Loose Ball USA bottom brackets. ###section### Product Specs Crank Type: 1-Piece Drive Type: Bolt Drive Spindle Diameter: 24mm Drive Side: Right Side Drive Includes BB Bearings: No Weight: 1024g (36.1oz) ###shogun-image-section###