Features: brand new and high quality Aluminum alloy material, hard compression resistance, strong bearing capacity. Small tight stream type high strength bicycle front wheel bracket for bicycle transportation, travel and storage, specially designed for quick release before cycling. Stable and secure enough to lock your bike on the shelf without having to worry about scraping your car. Easy to install and install screw fixing holes, with screws fixed on the board, convenient car, indoor parking, easy to use, quick installation, small and convenient. Almost applicable to all bicycles, for cars, you can adjust according to the size of your bicycle fast dismantement. Specifications: Material:Aluminum Alloy Color:Black,Red,Silver Size:Approx.16.1x5.5cm/6.34x2.17in Net Weight:300g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bike Block