Shimano Alivio SL-M3100-L Shifter - Left 3-Speed RapidFire Plus Optical Gear Display Model=Mallet Enduro 11 Pedals 500 lumen usb rechargeable front

500 lumen usb rechargeable front helmet light

Built in gauge to easily and accurately identify outside and inside diameter of sealed bearings

Splashproof (IP55)

Nine more closely-spaced (6mm) positions for fine-tuning skate skis

47mm stack height (only 11mm more than a standard Transfer) and optimized battery placement for better tire clearance

Shimano Alivio SL-M3100-L Shifter - Left 3-Speed RapidFire Plus Optical Gear Display Model=Mallet Enduro 11 Pedals 500 lumen usb rechargeable frontThe Shimano Alivio SL M3100 Left Shifter provides responsive rear shifting for 9 speed mountain bike drivetrains. Double or Triple Triple Drivetrain Speeds 9 Front Der Shifter Compatibility Shimano Mountain Shifter Style Trigger Speed 3 Speed