Shimano Altus SL-M315-L 3-Speed Left Rapidfire Plus Shifter Shimano Ultegra Di2 12 Speed 6% Polyester

6% Polyester

CHAIN: Shimano 105 12S

we've narrowed the center panel on the upper body and extended the side panels to maximize your natural body rotation in order to generate more power

Secure 3 Strap Design For Added Security

comfortable ride quality

Shimano Altus SL-M315-L 3-Speed Left Rapidfire Plus Shifter Shimano Ultegra Di2 12 Speed 6% PolyesterThe Shimano Altus SL M315 Shifter offers light shifting operation, wide compatibility options, and is suitable for internal cable routing. Slim main lever body Numbered gear display is positioned below the handlebar and indicates gear position at a glance Shimano's OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance RAPIDFIRE PLUS technology is