SHIMANO Altus SL-M315 Shifter 2X7 2X8 3x7 3x8 14 16 21 24 Speed MTB Mountain Bike Shift Lever Transmission Trigger

Model: SL-M315-L

Stand Type: Clamp Ring

Shift handle cable inner cable: stainless steel

Front Shift: 2/3

OPTICAL GEAR DISPLAY: with

Recommended shift lever outer casing: OT-SP41

Shift handle cable adjustment:✔

Shift lever type: RAPIDFIRE PLUS

Compatible with I-SPEC EV brake levers:✔

Model: SL-M315-R

Stand Type: Clamp Ring

Shift handle cable inner cable: stainless steel

Compatible rear derailleur type: MTB 7/8 speed

Max multi-shift (main handle/rear): 3

OPTICAL GEAR DISPLAY: with

Rear Shift: 7/8

Recommended shift lever outer casing: OT-SP41

Shift handle cable adjustment:✔

Shift lever type: RAPIDFIRE PLUS

Compatible with I-SPEC EV brake levers:✔

Left & Right: 2x7 14speeds 2x8 16speed 3 x 8 24speeds  3x7 21speed    

Option 2/3speed is only left shifter    7or8speed is only right shifter    2x7 2x8 3x7 or 3x8 is one pair