Radio Chain Tensioner

The Radio Chain Tensioner at J&R Bicycles features a sleek lightweight design which not only looks good but allows for easy installation and adjustments. Made from full CNCd 6061-T6 aluminum alloy, this component is sturdy but doesn't add much weight. Designed for 10mm and 15mm axles with 22mm of adjustment, this tensioner is a fantastic option to get that chain stay length just right.

• Full cnc machined 6061-T6 alloy
• For 10mm and 15mm axles, 22mm of adjustment