Bike Chain Tensioner Rear Derailleur Guide Bicycle Protector

Descrtion:

Made of aluminum alloy material, corrosion proof, ullight but high strength.Designed to provide a simple, effective and adjustable way to tension chain and speed change.Ensures perfect tension for your chain to e you pedal with le efforts.Rear Derailleur Mount and guide wheels keeps chain stable and never dropping.Suitable for Birdy folding bike.

Specification:

Material: Aluminum Alloy

Size Chart:

Size: Length 8.1cm/3.19inch

Package Includes:

1 Piece Bike Chain Guide Tensioner

Note:

1. Please allow slightly error due to manual measurement.2. Due to the difference between different s, the ture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!