Blackburn central rear pannier bag single this highly technical and well considered bag manages to be great looking as well when used with blackburns interlock racks bags can be secured with a single key compression straps stainless zipper pulls compatible with all standard racks ample interior organising padded laptop and tablet sleeves along with magnetic clasps fleece lined exterior pocket for phone or glasses weather resistant fabric and stowable rain cover 225 litre capacity 940g