Altus SL-M315 Shift Lever Double or Triple:Double and a disc-specific carbon layup

and a disc-specific carbon layup that increases strength while decreasing weight

Built for Speed

Carry handle

plastic and carbon fiber

Altus SL-M315 Shift Lever Double or Triple:Double and a disc-specific carbon layupThe 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