CRNGW Adjustable Single Speed Chain Tensioner Aluminium Alloy 10MM Folding Bike Chain Fastener Bike Chain Tension Guard Bolt Chain Stabilizer Bicycle Chain Adjuster Single Speed Bicycle

Package include:1Pc Bicycle Chain AdjusterColor: Black/red/Gold/Silver Material: Aluminum alloy Product name: Single Speed Chain Tensioner Size: 72.7x26.5x14.2x10MM(2.86x1.04x0.56x0.39in) Features: lightweight, anode color, bright color, not easy to oxidize, using CNC technology, split zipper double hole, single bolt design. This product is mainly for folding bicycles to adjust the chain tightness Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.