Algi Chain Tensioner with flange nut M7x100

Algi Chain Tensioner with flange nut M7x100, 1 piece. Chain tensioners are used to (re-)adjust chain tension to prevent slack chains, chain jumps and excessive chain wear. It is fastened by a flange nut (included) until you want to tension the chain again.

Details:

diameter: 7mmlength: 65mmthread: 1mm