Material: Housing from steel, zinc-plated, black lackered. Chain rider from ultra-high-molecular polyethylene PE-UHMW.

These ready-to-install chain tensioners enable quiet, low-wear running of roller chains under varying operating conditions, for example at changing angle of the chain drive.

• Needed space below chain only 40mm.
• With two springs of different force, which can get activated separately or together. So it is possible to adjust three different tensioning forces.
• Usable travel about 40mm.
• Interchangeable with similar parts of other suppliers.

Temperature range: -20°C to +60°C (short time up to +80°C).