Shimano slx m7000 11sp rear derailleurwith a revised design and enhanced by technologies from shimano's top end models, the slx m7000 rear mech performs better than ever'. '.strtoupper('r')eady to help you to attack the trails, it has the shadow rd technology and an improved geometry to increase its stability'. '.strtoupper('t')he adjustable clutch type stabiliser can be switched to be more rigid for chain better chain retention or switched for easier shifting.featuresspeed 11 speed  shifting action shadow rd    mount type direct attachment conventional direct mount compatible w o bracket spec available  maximum sprocket 42t 2x11 speed 46t 1x11 speed  minimum sprocket 11t  front difference max 10t  total capacity 41t  clutch type yes  compatibility all shimano flat bar 11 speed shifters       shadow design with optimised, shallow slant angle, low profile design      20% reduced shift effort      chain stability improved      improved driving and shifting stability      adjustable clutch tension      high efficiency pulleys      1x11 and 2x11 compatible  manufacturer's reference code rdm700011gs  weight 323g approxa 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.