Promax C-1 Chain Tensioners

The Promax C-1 Chain Tensioners at J&R Bicycles are a lightweight and affordable way to maintain a taught chain while securing your rear wheel and dropouts. Made from extruded and CNC-machined 6061-T6 aluminum alloy, these tensioners are strong without adding much weight to your frame. The two-hole axle design fits 3/8" and 10mm axles. Sold in pairs.

FEATURES

• CNC-machined 6061-T6 aluminum
• For use with 3/8" and 10mm axles
• Two axle hole design