Shimano deore m6000 10sp rear derailleurshimanos deore m6000 mtb rear derailleur brings you features that are borrowed from its top end xtr series, but not at a top end price point'. '.strtoupper('t')his means youll enjoy outstanding drivetrain performance as youre attacking climbs and cranking up to speed on the flats.excellent chain retentionthanks to its clutch system, this mech allows you to push yourself hard on the roughest trails, without worrying about chain slap or drop'. '.strtoupper('i')t also delivers ultra quick, quiet shifts and with its fluorine coated bushings, shifting requires minimal rider effort.reasons to buy uses features borrowed from the top end xtr series'. '.strtoupper('a')ffordable.outstanding drivetrain performance.ultra quick, quiet shifts.features material main steel body gfrp and aluminium speed 10 speed mount standard direct mount compatible compatibility shimano 10 speed flat bar shifters and 10 speed mtb cassettes capacity 41t medium gs version, 43 teeth long sgs version maximum large sprocket 42t medium gs version, 36t long sgs version maximum chainring size difference 10t medium gs version, 22t long sgs version recommended chain hg x 10 speed derailleur pulleys 11t clutch type yes high efficiency drivetrain for aggressive trail riding light shifting effort smooth and precise shifting silent and stable for technical trail riding dyna sys compatible low profile design reduces the risk of damage direct mount compatible single tension spring prevents contact with the chainstay direct cable routing prevents snagging improved stability and chain retention longevity compatible with wide range cassette medium gs version only fluorine coated link bushings for low friction operation application trail, all mountain, cross country weight 324g gs medium cagemanufacturer reference codes medium cage gs rdm6000gs long cage sgs rdm6000sgstechnologies shadow this technology provides a less distracting, quiet drivetrain as the rear derailleur stabiliser reduces chain slap'. '.strtoupper('a') simple solution for chain drop, which is lighter and more efficient than roller type chain devices.a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.