ANCLLO Cycling Chain Tensioners Folding Bike Single Speed Converter Bicycle Rear Derailleur Chains Guide Speed Adjuster Accessory

• This chain adjuster can change multi-speed bikes into single speed bike.
• Spring design can fit various sizes of gear, and prevent chain from skidding out from the crank.
• This chain adjuster can change multi-speed bikes into single speed bike, ensures perfect tension for your chain to make you pedal with less efforts
• This derailleur pulley guide is lightweight and mini, easy to install and use
• This single speed bike adjuster suitable for folding bike with 11T or 13T rear derailleur, great accessory for cycling lovers

Cycling Chain Tensioners Folding Bike Single Speed Converter Bicycle Rear Derailleur Chains Guide Speed Adjuster Accessory Product Describtion: This chain adjuster can change multi-speed bikes into single speed bike. Spring design can fit various sizes of gear, and prevent chain from skidding out from the crank. This chain adjuster can change multi-speed bikes into single speed bike, ensures perfect tension for your chain to make you pedal with less efforts. This derailleur pulley guide is lightweight and mini, easy to install and use. This single speed bike adjuster suitable for folding bike with 11T or 13T rear derailleur, great accessory for cycling lovers. Specification: Material: Aluminum Alloy Color: Black and Red Fitment: suitable for folding bike with 11T or 13T rear derailleur Weight: approx. 63g Package List: 1 x Chain Adjuster