Shimano Deore M615 10-Speed Double Chainset The Shimano Deore M615 10-Speed Double Chainset offers a strong 2-piece design with Dyna-Sys technology for MTB HG-X transmissions. Shimano's intuitive Dyna-Sys gear combinations allow the MTB rider to connect with the bike & trail in harmony. This Shimano Deore M615 10-Speed Double Chainset comes with a 'rider tuned' fit, providing quick & reliable shifting, even under load, for various bike & riding styles
Features: 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 inner chainrings 10-speed Dyna-Sys compatible Bolt Circle Diameter: 104/64mm Recommendation: Bottom bracket should be initially installed by a bike shop to ensure perfect facing & fit Note: Bottom Bracket Sold Separately Weight: 935g (40-28T), 922g (38-26T), 914g (38-24T)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.