MICROSHIFT Thumb Tap Shifter - MEZZO TS39 - 9 Speed - Right (Shimano Mountain)

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.