A tensioner includes a base and an idler support assembly slidably retained on the base, the idler support assembly including a support element having a cam surface at a first end. A spring loaded handle assembly includes a tension bar rotatably mounted to the base, and a handle longitudinally adjustably mounted to the tension bar, an engagement element, and a biasing element intermediate the engagement element and the handle. The handle is assembly rotatable between a first position and a second position. The engagement element disengages the cam surface in the first position and the engagement element engages the cam surface in the second position.
