For crisp gear changes: the Shimano SL-M780 XT 2/3X10-Speed Gear Levers! The Dyna-Sys technology allows for seamless gear changes, and the Rapid Fire technology will make sure it happens quickly! As a result of the instant release mechanism, you can shift two gears in one stroke on those short, but steep uphills. The Vivid Index display will show you what gear youre in, and you can remove it at anytime. The SL-M780 XT 2/3X10-Speed Gear levers work very well and are very easy to use!