Product Description The X-Stealth Auxiliary Closure for QL2.1 by ORTLIEB for repairing or updating your bag The is a spare part for your Back-Roller or Sport-Roller bicycle bag. With this, you can renew the auxiliary closure at the top if it got damaged or broke during your cycling trip, or if you want to upgrade from the older Stealth closure to the current closure. In the X-Stealth version, there is a hook on the auxiliary closure that allows you to secure the handle during the ride, and it can be closed single-handedly since the buckle always points upwards. Specifications:Length:25 mmCompatibility:Back-Rollers with QL2.1 systemSport-Rollers with QL2.1 systemManufacturer Number:E248 Contents:1 x 1 x ORTLIEB Round Washer Manufacturer: ORTLIEB Sportartikel GmbH Rainstraße 6 91560 Heilsbronn Germany info@ortlieb.com