Features:
1. Model: RD-TZ31A black rear derailleur, compatible with 6/7 speed 18/21 speed, suitable for mountain bikes and road bikes.
2. Material: Forged with high hardness aluminum alloy.The hollow weight-reduction design is adopted,and the speed change is more stable.
3. Design: Accurate gears provide light and stable shift performance and it can be adjusted slightly in multiple places to
ensure accurate speed change performance.
4. Usage: Suitable for mountain bikes, station wagons, folding bikes etc. It will giveyou a better riding experience
5. Options: Two types for different mount style, direct mount or hanger mount. Please check the mount type of the original part before ordering.

Specifications:
Material: Aluminum alloy
Color: Black
Size: (Approx)(LxWxH)14x8x10cm/5.5x3.1x3.9inch
Speed:6/7 speed, 18/21 speed
Type: Direct Mount, Hanger Mount

Package Included:
1 x Bicycle Rear Derailleur

Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.