Micro SHIFT Sword Black 1x Crankset - 9/10-Speed You Have My Sword. And You Have my Bow. And My Axe The Micro SHIFT Sword 1x Crankset brings a gravel-oriented gear ratio, aesthetic, and chainline to a square taper bottom bracket platform. A single chain retaining ring pairs perfectly with either Sword Black 1x or the original Sword 1x groups. Features Wide design optimized for 50mm chainlines Compatible with 68x113mm JIS square taper bottom brackets Designed to be used with Sword Black or Sword 1x groupsets Aluminum crank arms and chainring SPECIFICATIONSSpeeds9/10-Speed BB Compatibility68x113mm JIS Square Taper Chain Ring40T, 42TCrank Arm Length165, 170, 172. 5, 175mm BB Spindle Interface Shimano Taper JISChainring Material Aluminum Bolt Center Diameter (BCD)110mm Asymmetric 4-Bolt BCDCrank Arm Material Aluminum Chainline Optimized for 50mm Bottom Bracket Included No Intended Use Road, Gravel, Cyclocross Weight N/A | Microshift | Sword | Black | 1X Crankset - 9/10 Speed 175Mm, 42T | Aluminum