ITEM NAME:Bike Single Speed Converter Folding Bicycle Rear Derailleur Chain Tensioner Description: Made of plastic material, corrosion proof, ultralight but high strength Designed to provide a simple, effective and adjustable way to tension chain and speed change Converts any speed bike to a single/2/3/6 speed for hanger dropout frame Rear Derailleur Mount, Dual wheel guide wheels and built-in spring keeps chain stable and never dropping Compatible with BROMPTON Folding Bikes Specification: Material: Plastic Size: 18x13x6cm/7.1x5.1x2.4 inch Package Includes: 1 Piece Bike Chain Guide Tensioner SKU: DMO0013108966026448.1 Piece Bike Chain Guide Tensioner. Compatible with BROMPTON Folding Bikes. Designed to provide a simple, effective and adjustable way to tension chain and speed change. Made of plastic material, corrosion proof, ultralight but high strength.
