Shimano Altus SL-M310 3×7/8 Speed MTB Bike Shifter Trigger Rapidfire New SL-M315
Shimano Altus SL-M310 3×7/8 Speed MTB Bike Shifter Lever Gear Rapidfire Black. Shimano Altus MTB gear shift pods can be used with any brake lever. Rapidfire system uses ergonomic shaped lever for easy accurate gear selection.