Box Two™ Chain Tensioners let you dial in your chain tension, so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used correctly, Box Two™ Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be

Available in 4 colours to match your build

Specifications

• Material Extruded & CNC Machined 6061-T6 Aluminium
• Hardware Stainless Steel
• Range of Adjustment 30mm
• Finish Anodised w/Laser-Etched Graphics