Description With a variety of form factors to provide you with exactly the ergonomics you want, our Thumb Tap shifters combine light shifting effort with a wide range of derailleur compatibilities. Whether you’re building a new bike or getting an old one back on the road, you can rely on these to do the job. Easy to read gear indicator Light shifting action with a positive index click Ergonomic thumb triggers Series: TS39 Right 2 Speed Shimano Compatible
