SRAM's 3.0 Twist Shifters are simple to use and offer solid shifting and reliable construction. Using SRAM's 1:1 actuation ratio technology, the 3.0s are easy to set up and easy to adjust. Plus, with a simple twist of the wrist, you can shift a handful of gears at once.
Shimano's Dura-Ace Bar-End Shifters are great for tourists, commuters, cyclocrossers, triathletes and time trialists. They provide precise and reliable shifting on double- and triple-chainring drivetrains.