The Shimano Alivio SL-M3100-R shift lever provides responsive rear shifting for 9-speed mountain bike drivetrains. The Rapidfire Plus lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. This great value Alivio 9-speed mountain bike Rapidfire lever offers crisp gear shifting and is Mega9 compatible for use with precision 9-speed drivetrains. Its pod design allows the use of this shifter with any brake lever. The low-friction design means that shifters have a light and responsive short-stroke action that reduces shifting effort. It features an easy-to-read optical gear display and a barrel adjuster for fine gear tuning. Supplied with an inner OPTISLICK cable and SP41 outer cables, it also has an easy access clamp band adjustment for quick set up.