The SL- M780 offers near XTR level performance with XT prices. Designed to work with Dyna-Sys rear shifting and 10 speed cogs, the M780's have a light but very positive shift feel. Make quick 4 cog downshifts or upshift 2 cogs at a time and with Shimano's 2-Way release lever you have the ability to use your index finger or thumb on the smaller trigger. A convenient screw on the front shifter allows easy conversion from 3x10 to 2x10 shifting. 2-way release trigger allows thumb or finger actuation Standard bar mount for 22.2mm handlebar diameter(not I-Spec) Removable optical gear display 2x10 and 3x10 compatible Sold Singly Weight: 142g with display | Shimano XT SL-M780 10SP Shifter Black, 10 Speed Rear, Right