Features: Stable & Durable: Made of strong and sturdy aluminum alloy which is durable and long-lasting, with strong bearing capacity, durability and stability, which is not easy to corrode and rust compared to other similar products made of iron materials. Upgraded Structure: The quick release fork mount has an upgraded structure to avoid scratching your bicycle fork or vehicle roof, protecting your car paint from scratches and damage. Safe & Stable: The fixed clamp for the bicycle front fork ensures safety and stability, which can fix your bicycle fork stably and securely (screws not included). Wide Application: The bicycle car rack for the roof aims to provide convenient storage and transportation, which can be mounted in garage, home, shed for storage, can also be mounted in truck bed, van or on trailer for transportation. Installation: 1-Remove the front wheel of the bicycle and use the quick release lever to fix the front fork on the bracket. 2-The bracket can be attached to the car roof - see if the size is compatible. 3- The bracket can be attached to the wooden board, and the wooden board can be placed in the trunk of the car (SUV models are best) Specifications: Name: Car-carrying bicycle-fixed front fork bracket-B type Size: 110mm* 38mm* 58mm Material: Aluminum alloy Weight: 180g Notes: 1. Screws are not included. Includes: 1 * Bicycle Fork Bracket 4 sets of conversion accessories