. Genuine Shimano replacement parts for use with the Shimano Deore FCM590 10-speed crankset
Features: Bolt Circle Diameter: 64mm Compatibility: 10-speed Dyna-Sys Chainline: 50mm A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace & XTR products) Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.