High-quality materials: The bicycle wheel studs are made of high-quality iron and aluminum alloy, which are strong and non-deformable, high in strength, and durable. Wide range of application: Comfortable and labor-saving quick-release front and rear wheels are suitable for most bicycles with 26-inch wheels, such as road bikes, mountain bikes, mountain bikes, etc. High performance: high-quality gaskets, high temperature and abrasion resistance, durable. The MTB quick release bicycle hub perfectly achieves the best performance and maximum safety and durability. Ultra-lightweight bicycle wheel-The bicycle quick release device is lighter than other materials and will not add weight to training or long-distance riding. Easy to use: The wheels with quick release can be removed from the bicycle frame and can be replaced without tools. Length: Approximately front nail-15 cm; back nail-18 cm Features: 1. The front and rear wheels of the quick-release spikes are made of high-quality iron-aluminum alloy, which is durable and high in strength. 2. It is lighter than other materials and does not require training or long-distance riding. High-quality gaskets, high temperature resistance, abrasion resistance, and durability. 3. Wheels equipped with quick release mechanism can be removed and replaced from the bicycle frame without the use of tools. This is convenient and labor-saving. Front and rear hollow shafts A short QR suitable for the front wheels. Long QR fits the rear wheel Excellent workmanship, CNC machined smooth cam lever, quick release device with seat clamp and practical parts for your bicycle. Bicycle front and rear axle hollow shaft Easy to use The quick release device is equipped with a smooth cam lever and an extruded CNC machined aluminum nut. The bicycle quick release kit can be used for the front and rear studs. It is a necessary bicycle for car repair, especially for mountain bike enthusiasts. Quickly and easily release QR Quick release device for front wheel hub (15 cm) and rear wheel hub (18 cm) Weight: Kebabs made of other materials are super lighter than other materials, no training or long-distance riding required Size: A short QR bicycle fork that fits the front wheel, 15 cm in size. Long QR fits the rear wheel, size 18 cm High quality QR MTB quick release bicycles are made of high-quality iron and aluminum alloy, which are durable and strong. Bicycle string, super light and quick release Bicycle rear axle Bicycle rear axle Bicycle rear axle Wide range of uses: 1. The bicycle quick release shoe spike kit is very suitable for most bicycles with 26-inch wheels. 2. The front and rear forks of the wheel hub are essential bicycle parts for bicycle maintenance, especially mountain bikes for enthusiasts. 3. Note: The colors of the screws are random.