1、Use the quick-lock system (mounting bracket and adapter) to attach the bag to the bike front fork or tube. 2、Ultra quick lock, with one click the bag snaps in to place. 3、Quick release, simply move the release lever and pull the bag upwards allowing for quick disassembly and use. 4、3-point fixing system by means of 3 adjustable band-clamps, which can be locked by screws. Plus, mounting bracket designed with 2 M5 screw holes, suitable for eyelets fork. 5、Fully waterproof material. When the roll closure is rolled properly. The bag can be meet standard IP64. 6、Dring on both sides, combine with supplied shoulder belt it can be use as a shoulder bag. 7、Internal compartment pockets for sorting and easy gear locating. 8、Large capacity, for easy configuration of your luggage. This bicycle bag can be mount on the front fork of the bike, and also can be a backpack which is convenient for bicycle riders. Large capacity, can be easily hold: lunch box, keys, camera, wallet, etc. Features: Use the quick-lock system (mounting bracket and adapter) to attach the bag to the bike front fork or tube. Ultra quick lock, with one click the bag snaps in to place. Quick release, simply move the release lever and pull the bag upwards allowing for quick disassembly and use. 3-point fixing system by means of 3 adjustable band-clamps, which can be locked by screws. Plus, mounting bracket designed with 2 M5 screw holes, suitable for eyelets fork. Fully waterproof material. When the roll closure is rolled properly. The bag can be meet standard IP64. Dring on both sides, combine with supplied shoulder belt it can be use as a shoulder bag. Internal compartment pockets for sorting and easy gear locating. Large capacity, for easy configuration of your luggage. Specifications: Capacity: 4L Color: blue, green, orange, black (optional) Item size: 290 * 180 * 90mm / 11.4 * 7.1 * 3.5in Package size: 250 * 190 * 50mm / 9.8 * 7.5 * 2.0in Package weight: 495g / 1.1lb Packing List: 1 * Bicycle Bag 1 * Mounting Adapter 4 * Straps Keeper 4 * Band Clamps 4 * Screws 1 * Wrench 1 * Shoulder Belt 1 * Bicycle Bag 1 * Mounting Adapter 4 * Straps Keeper 4 * Band Clamps 4 * Screws 1 * Wrench 1 * Shoulder Belt Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.