In extended touring it shows what it's made for. The tough rear pannier made of tear-resistant Cordura fabric is waterproof thanks to its handy roll closure. With its QL2.1 fixing it is quickly mounted and taken off the bike rack. And once you arrive at your destination, you can carry the Back-Roller Plus just like a shoulder bag thanks to the included strap. - Classical rear pannier (pair) with roll closure - Abrasion restistant Cordura fabric - QL2.1 system for racks up to 16 mm - 20 mm hook available as separate accessory (e.g. for e-bikes) - Including reduction pieces for tube diameters 8, 10 and 12 mm; with anti-scratch function reducing abrasions on rack - Top QL hooks and lower sliding hook adjustable without requiring any tools - Lower hook rail made of two-component "hard-soft" synthetic reduces abrasions on carrier - Including integrated inner pocket and shoulder strap - Can be used individually (e.g. for shopping, sports, picnic) - Can be combined with the ORTLIEB Rack-Pack size S or M - Highly reflective Scotchlite reflector - Easy to clean inside - Optional accessories: ORTLIEB carrying system, outer pocket (size S), mesh pocket, bottle cage, 20 mm QL2.1 hook, anti-theft device long - Note: In order to meet standard IP64 (6=dustproof, 4=protected against splash water coming from all directions) the closure must be rolled 3-4 times.