Shimano Deore M590 9 Speed Triple Chainset The Deore FC-M590 crankset has a firm 2-piece construction with outboard bearing system. The integrated Hollowtech II axle offers increased stiffness at low weight. With Shimano Hyperdrive SG-X sprockets, Dual-SIS compatible Please note, external Hollowtech II Bottom Bracket is included
Features: Great value Deore 2-piece design chainset for 9-speed transmissions The 2-piece design chainset features an external bottom bracket system which is a lightweight rigid design that is incredibly strong & durable Lightweight & rigid steel bottom bracket axle SG-X chainring with patented spike pins give smooth & fast gear shifts under load Lightweight aluminium outer with steel middle & inner chainrings We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing & fit Mega 9 compatible Specifications: Crank Construction: 2-piece solid crank Cassette Compatibility: 9-speed Chain Compatibility: Super Narrow HG for 9-speed 4-Arm Chainrings: yes Chainring
Sizes: 44-32-22T/48-36-26T Bolt Circle Diameter: 104/64mm Outer Chainring: aluminum Middle Chainring: steel Inner Chainring: steel Chaincase Compatible: no Bottom Bracket: SM-BB51 Chain Line: 50mm BB Shell
Width: 68/73mm 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.