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3x7 21 Speed Bicycle Shifter Brake Bicycle Twist Grips Shifter Gear Right Left Hand Lever MTB Road Bike Accessorie ST EF500 EF51
Specifications:
- Type: Conjoined DIP
- Origin: CN(Origin)
- Material: plastic
- Material: Carbon Fibre
- Gears: 7 Speed
- Gear number: left 3 speed, right 7 speed
- Components: Derailleurs
- Color: black
- Caliber: 22.2mm
- Free shipping
- 100 days returns
- Low prices
- 5 million products