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

Material: Aluminum alloy Package include:1Pc Bicycle Chain AdjusterSize: 72.7x26.5x14.2x10MM(2.86x1.04x0.56x0.39in) Color: Black/red/Gold/Silver Product name: Single Speed Chain Tensioner 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.