Durable single speed chain tensioner with adjustable tension and antidrop design Material and finish: aluminium alloy construction with a purple finish for lightweight strength and corrosion resistance One piece design: compact, easy to install and integrate with existing single speed systems Adjustable tension: simple, effective method to set and maintain chain tension on a single speed setup Floating pulley dial: precise, responsive adjustment that helps achieve chain tension Antidrop link: helps prevent chain derailment or drops during riding Compatibility: designed for bicycles configured as single speed, suitable for single speed converters and chain guides Functionality: maintains consistent chain tension under load, reducing maintenance and troubleshooting 23 practical use scenarios City/commuter single speed conversion: install to keep the chain tight and stable on a city bike converted from a multigear system, minimizing slack and the need for frequent readjustment Track or fixedgear style riding: provides reliable tension and antidrop protection to support aggressive accelerations and torque pedaling DIY bike : simple onepiece unit that can be added to single speed configurations or chain guide setups to improve tension reliability without complex installation Key attributes at a glance Single speed compatible chain tensioner with chain guide and antidrop link Adjustable tension with floating pulley dial for precise control Aluminium alloy construction, purple color, 1 piece design Suitable for bicycles using single speed setups and single speed converters