Shimano xt di2 m8050 11 speed shifterwith its advanced ergonomics and shift logic the shimano xt di2 m8050 11 speed shifters deliver seamless control and instant response free from mechanical limitations its rotary switch design follows the riders natural hand movement and features customisable lever ergonomics the short stroke levers provide light action with a vivid indexed feel to improve shift accuracy even in the roughest trail conditions while the versatility of di2s programmable sh