A. This is a practical kit specially designed for off-road motorcycles and mountain bikes. It includes M10 screws and bolts for the front and rear axles, swingarm shims, and screw wheel axles. Through careful design, it can meet the usage requirements of motorcycles and provide certain support for the stable operation of motorcycles. B. The model of this kit is M10, and there are various specifications to choose from, namely 190mm, 195mm, 200mm, 205mm, 210mm, 215mm, 220mm, 225mm, 230mm, 235mm, 240mm, and 245mm. The diverse specifications can meet the specific needs of different motorcycles. No matter what size axle your motorcycle requires, you can find a suitable option in this kit. C. In the daily use and off-road riding of motorcycles, the axle components play an important role. They bear the weight of the vehicle and various pressures during the driving process. The emergence of this kit provides a solution for the maintenance, repair, and upgrade of motorcycles. Its good manufacturing process ensures the durability and reliability of the components, allowing you to ride more safely. Whether you are speeding on a flat road or challenging rough mountains, it can provide protection for your motorcycle.