Single Speed Oval Chainring Bike Chain Tensioner Converter Rear Black

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Description:

This chain adjuster can change multi into single speed bike.
Spring design can fit various sizes of gear, and prevent chain from skidding out from the crank.
Ensures perfect tension for your chain to make you pedal with less efforts.
Suitable for folding bike with 11T or 13T rear derailleur.
Lightweight and mini, easy to install and use.

Specification:

Material: Aluminum Alloy

Size: 120x54mm/4.75x2.13inch

Package Includes:

1 Piece Bike Chain Tensioner

Note:

Please allow slightly difference due to manual measurement.
Color may be slightly different since different monitor. Thanks!

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