Snow Bike Wheelset 20/24/26x4.0in Fat Tire Rim Kit is a complete wheelset designed for fat tire bikes, snow bikes and beach bikes to make riding easier and more stable on soft surfaces. Aluminum alloy rims with skeleton design provide strength and a lightweight feel, and are compatible with disc brakes. Front and rear disc brake holes are 44 mm apart. Skeleton front and rear rims come in two internal widths: 20/24 inch rims are 80 mm inside width, and 26 inch rims are 100 mm inside width. A V Schrader valve is included and the setup is suitable for 6/7/8/9/10speed rotary flywheels. Spokes are 14G carbon steel with 36 spokes on each wheel. The system uses twobearing rotating hubs. Front hub inner width is 135 mm with an overall length of 175 mm; rear hub inner width is 195 mm with an overall length of 240 mm. Key benefits and why you might need this wheelset: Enables use of fat tires (4.0 in) on snow, sand and soft terrain with reliable support. Aluminum alloy skeleton rims for strength and durability while remaining lightweight. Disc brake compatibility with a dual 44 mm spacing helps maintain braking performance in cold or wet conditions. Wide internal rim widths (80 mm for 20/24 in, 100 mm for 26 in) to accommodate large tires and improve stability. Standardized valve type (A/V Schrader) and compatibility with common 6/7/8/9/10speed drivetrains via rotary flywheels. Durable 14G spokes and twobearing hubs support riding in challenging conditions; precise hub dimensions ensure proper fit on compatible frames. Practical use scenarios Snow trails and backcountry rides: The 4.0 in fat tires provide flotation on packed snow and soft powder, improving stability and control. Beach and dune riding: Wide rims and fat tires handle soft sand, while the robust spoke and hub design helps absorb bumps. Winter urban commuting: Disc brake compatibility and durable construction support reliable stopping power and everyday reliability in cold, wet conditions. This wheelset remains true to the original specifications and function, delivering a robust, compatible fat tire option for snow bikes, fat bikes, and beach bikes.