Shimano Alivio SL-M3100-L 3-Speed RapidFire Plus MTB Shifter Max Teeth_36 - Compatibility with heart rate

- Compatibility with heart rate monitors for personalized training analytics

Innovative features include a removable strap at the front end

these pedals provide the confidence and stability you need to push your limits

Responsive acceleration and sustained speed optimized for gravel riding

and disposal

Shimano Alivio SL-M3100-L 3-Speed RapidFire Plus MTB Shifter Max Teeth_36 - Compatibility with heart rateThe Shimano Alivio SL M3100 Left Shifter provides responsive rear shifting for 9 speed mountain bike drivetrains. Rapidfire Plus technology is suited to quick shifting, giving riders the ability to downshift three gears in one stroke Optical gear display is positioned below the handlebar and indicates gear position at a glance