Alivio SL-M3100 Left Shifter Double or Triple:Triple our Ride Science team knows

our Ride Science team knows the Tarmac SL8 is the fastest race bike ever made on the routes that matter—16

These rugged gloves feature ergonomically placed gel pads at the most critical contact points of the palm

Three Position Climb Switch provides three distinct modes

Aero Optimized Tire Size: 25c-28c Tubeless Tire for Hookless Rim only

it’s our go-anywhere

Alivio SL-M3100 Left Shifter Double or Triple:Triple our Ride Science team knowsThe Shimano Alivio SL M3100 Left Shifter provides responsive rear shifting for 9 speed mountain bike drivetrains. Rapidfire Plus Mono technology provides intuitive and simple front control that empowers riders to shift both up and down with a single lightweight and compact lever. Simple and intuitive single lever operation, quicker access and lighter front shifting enhances concentration