Ibera PakRak Commuter Bag and Touring Carrier Rack Plus+ (Frame Mounted) Combo Set Quick-release commuter trunk bag clips on and releases within 3 seconds - no straps required! Commuter Bag and Carrier Rack Combo Set! For touring and carrying heavier loads. Shoulder strap stores easily in a mesh pocket beneath the bag cover. Highlyreflective strips and taillight hanger add to nighttime safety.