Product Description The tension belt for Vario with QL2 / QL2.1 system by ORTLIEB is an original spare part With the ORTLIEB tension belt for Vario you can attach your backpack with QL2 or QL2.1 system more securely to the rack than with the top rail alone. This reduces the banging of the bag against the rack and also makes the riding experience more stable. Compatibility:Vario backpack with QL2 systemVario backpack with QL2.1 systemManufacturer Number:E173 Manufacturer's Guarantee:ORTLIEB gives a 5-year guarantee from the date of purchase on defects that are due to insufficient or faulty processing of the materials used. You can find out about the exact warranty conditions here. Contents:1 x ORTLIEB tension belt for Vario1 x ORTLIEB buckle with screw-in tab Manufacturer: ORTLIEB Sportartikel GmbH Rainstraße 6 91560 Heilsbronn Germany info@ortlieb.com