Nexus Revoshift 3-speed shifter with optical gear display.

Shimano Tourney SL-RS45 shift lever delivers easy and reliable shifting for all riders. The Revoshift shifter allows riders to maintain a secure and stable grip on the handlebar by requiring just a twist of the thumb and index finger for shifting. - Twist shifter - Optical gear display - Includes SIS40 shift cable set - Stationary grips not included

The Shimano Tourney SL-RV400 shifter set has a comfortable ergonomic grip design and lighter shifting operation for riders with smaller hands. It's easy-to-read display and the satisfying "click" of SIS INDEX shifting helps newcomers track gear position. - Ergonomic grip design with light shifting operation - 25% lighter operation compared to the SL-RS35 - Optical gear position indicator allows riders to easily identify what gear they are in - Cable replacement is quick and easy - Dual-diameter shift collar allows any hand size to get a secure grip on the shift collar - Cable housing is sold separately

For reliable mountain bike shifting, Shimano's SL-M315 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. - Slim main lever body - OPTISLICK for smooth shifting performance - Gear display positioned below the handlebar - Numbered gear display indicates gear position at a glance - Light shifting operation, wider compatibility, and suitable for internal cable routing - Streamlined cockpit experience

The Shimano Tourney SL-TX30 is a thumb shifter for mountain bikes that features Shimano's Optical Gear Display, which tells riders what gear position is selected while riding. - Thumb shifters - Optical gear display - Includes SIS40 shift cable set