Wholesale Shimano Altus SL-M315 SL-M310 Bike shifter lever 3x7 3x8 Speed 21S 24S Shifter Trigger Rapid Fire Plus Shifter Cable M315 M310 From m.alibaba.com
SHIMANO Altus SL-M315 3/7/8 Speed Shifter Trigger SL-M315-L/R 3X7-Speed MTB Bike Left/Right Shift Lever M310 _ - AliExpress Mobile
Shimano Altus M310 8-Speed Right Shifter at BikeTiresDirect