Smooth and quiet ride: helps reduce chain noise so you can enjoy a calmer ride and the sounds of nature without distraction. Simple, effective, adjustable tension: provides an easy and adjustable way to keep the chain at the correct tension on a singlespeed bicycle. Quick and easy installation: designed for quick setups with only a few simple steps to install. Prevents derailments and maintains stable tension: singlespeed chain tensioner effectively prevents chain derailments by keeping the chain tension steady. Designed for singlespeed bicycles: specifically engineered for singlespeed bikes to deliver reliable performance. Use scenarios Daily city riding on a singlespeed bicycle where consistent chain tension reduces maintenance and improves comfort. After wheel removal or chain length adjustment, to retension the chain quickly and restore proper alignment. Recreational riding on rough roads or with bumpy surfaces, where maintaining stable chain tension helps prevent derailments.