The Shimano ST-M370 Altus STI9 Speed Shifters feature a low friction design for a light and responsive short-stroke action which reduces shifting effort for enhanced efficiency and control.Features:Great value Altus 9-speed mountain bike STI lever set for crisp gear shiftingMega9 compatible - for use with precision 9-speed drivetrainLow-friction design means that shifters have a light and responsive short-stroke action that reduces shifting effortEasy to read optical gear displayBarrel adjusters for fine gear and brake tuningComplete with gear and brake cablesEasy access clamp band adjustment for quick set up