Universal Mountain Bike Shifter 7/8/9/10/11Speed Gear Shifter MTB
Left Thumb Speed: Left 3‑speed Shifter for 7/8/9, Left 3‑speed Shifter for 10/11. Type: Bicycle Shifter. 1 × Bike Speed Shifter. Left and Right Position: Right Thumb. Right Thumb Speed: 7 Speed, 8 Speed, 9 Speed, 10 Speed, 11 Speed.