Key Features Premium Material: The wheel is made of aluminum alloy, and the spokes of the wheel are made of 45 steel, which is durable, corrosion-resistant, and not easy to rust. You can use them for a long time. Fine Workmanship: All parts of the wheel are anodized, which can significantly prevent oxidation and maintain the appearance of the wheel. Strong Bearing Capacity: The wheel can bear about 441lbs, meeting the needs of most people. You can use it with ease. Safety Guard: There are 32 spokes at the front and rear of the wheel, at the same time, the front and rear wheels use double six-hole discs as braking devices, which can improve your safety duringtraveling to a certain extent and reduce accidents. Detachable Design: The wheelset belt of the item can be quickly disassembled, which is convenient for daily cleaning and maintenance. Application This product is widely applicable to vehicles with a front gear of 100mm/3.94inch and a rear gear of 135mm/5.31inch. The taki of the rear wheel is suitable for 7, 8, 9, 10, 11, and 12s cassettes. One spacer is required for 8-11s cassettes, three spacers are required for 7s cassettes, and 12s cassettes are directly installed. Specification Color: Black Hub Clor: Red/Blue Brake Style: Dual-Six-hole Disc-Brakes Bike Type: Mountain Bike Material: Aluminum Alloy, 45#Steel Surface Treatment: Anodized Gross Weight: 4kg/8.82lbs Product Size: 69.9cm/27.5inch Package Size: 71*12*68cm/27.95*4.72*26.77inch Number of Spoke: 32 Bearing Capacity: 200kg/441lbs Package Included 2* Wheels(Front+Rear) 2* Quick Release Levers 2* Spokes