Features:
This is a bicycle derailleur ring made of high quality plastic, sturdy and durable. Suitable for mountain bikes, road bikes and other types of bicycles. Lightweight, high strength, durable. The 31.8mm diameter frame can be converted into a 34.9mm frame. You can replace the old one and provide the good performance for your bike.
Specification:
Material: plastic.
Colour: as shown in the picture.
Diameter: 3.7 cm.
Package contents:
2 x front derailleur discs for front derailleur.