1. This is a bike front derailleur ring, made of premium plastic material, sturdy and .
2. Suitable for mountain bike, road bike, and other types of bikes.
3. Lightweight, high strength, for long time use.
4. 31.8MM diameter frame can be converted into 34.9MM frame.
5. You can replace the old one, and provide the good performance for your bike.

Spec:
Features:
This is a bike front derailleur ring, made of premium plastic material, sturdy and .
Suitable for mountain bike, road bike, and other types of bikes.
Lightweight, high strength, for long time use.
31.8MM diameter frame can be converted into 34.9MM frame.
You can replace the old one, and provide the good performance for your bike.
Specification:
Material: Plastic
Color: as picture shown
Diameter: 3.7cm/1.5inch
Package List:
2 x Front Derailleur Conversion Shim
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.