This iron rear derailleur chain protector is compact and lightweight and will offer a good protection for your rear derailleur from damage. Suitable for most types of bikes， including mountain bike， road bike， folding bike etc.

Features:
Made of iron， very firm.
Compact and lightweight design. 
Protect your rear derailleur from damage.
Suitable for most types of bikes， including mountain bike， road bike， folding bike etc.

Specifications:
Color: Black
Material: Iron
Hole diameter: 10mm / 0.39in
Weight: 63g / 2.22oz

Package List:
1 * Rear Derailleur Chain Protector