BOX COMPONENTS

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weightA minimalist design adds style while reducing their overall massLaser-etched graphics that include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability10mm7075ALBlack

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weightA minimalist design adds style while reducing their overall massLaser-etched graphics that include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability10mm7075ALBlue

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weightA minimalist design adds style while reducing their overall massLaser-etched graphics that include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability10mm7075ALRed

Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weightA minimalist design adds style while reducing their overall massLaser-etched graphics that include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability10mm7075ALSilver

Not too hot, not too cold. Box Two Chain Tensioners let you dial in your chain tension so it`s just rightTwo mounting holes provide room for ample adjustment on most framesWhen used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be10mmBlack

Not too hot, not too cold. Box Two Chain Tensioners let you dial in your chain tension so it`s just rightTwo mounting holes provide room for ample adjustment on most framesWhen used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be10mmBlue

Not too hot, not too cold. Box Two Chain Tensioners let you dial in your chain tension so it`s just rightTwo mounting holes provide room for ample adjustment on most framesWhen used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be10mmRed

 Adjusting chain tension is quick and easy with the new Box Three Chain Tensioner With a single hole `lollipop` design, these tensioners reduce weight and help keep your rear wheel locked in place 10mm Black

 Adjusting chain tension is quick and easy with the new Box Three Chain Tensioner With a single hole `lollipop` design, these tensioners reduce weight and help keep your rear wheel locked in place 10mm Blue

 Adjusting chain tension is quick and easy with the new Box Three Chain Tensioner With a single hole `lollipop` design, these tensioners reduce weight and help keep your rear wheel locked in place 10mm Red

 Adjusting chain tension is quick and easy with the new Box Three Chain Tensioner With a single hole `lollipop` design, these tensioners reduce weight and help keep your rear wheel locked in place 10mm Silver