Shimano 1055800 slx m7000 hg601q 11 speed chainthe symmetrical design of the shimano 11 speed chain makes it super lightweight and narrow making it the perfect addition to your bike. Helping you reach the next level, the 11 speed chain has been created to be compatible with shimano 11 speed dyna sys systems. It is also stong and durable to give you the smoothest shifting during even the most challenging rides. Featuresouter plate design has been developed to reduce the chance of chain sucksil tec surface treatment technology ptfe plating on inner links that is smooth running and increases durabilitythe inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent runninguse road and mtbchain width 5.62mmoptimised for 11 speed super narrow hg ev drivetrainsaverage weight 257 gramsa 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.