Snow Bike Front Wheel Size options and designed use 20x4.0 inch, 24x4.0 inch, and 26x4.0 inch fat bike wheels designed for fat tire bikes, Snow Bike, Beach Bike, and eBikes. Weight 20 inch about 1300 g; 24 inch about 1600 g; 26 inch about 2000 g. Aluminum Alloy BoltOn Hubs 2 bearings, 6 bolts Disc brake mounting holes with disc brake hole spacing 44 mm. Solid Axle Front hub inner width 135 mm, overall length 175 mm. Skeletonized Rim 20/24 inch rims inner width 80 mm; 26 inch rims inner width 100 mm. The aluminum alloy rim is paired with PVC explosionproof tire pads. A/V Schrader valve. Spokes carbon steel 14G, 36hole spokes. Reduce wind resistance, increase riding speed and rim strength; spokes stressed evenly. Use scenarios Winter snow riding and snow biking The fat tire design and wide rims provide buoyancy and stability on snow and ice, making it suitable for winter trails and snow chases. Beach and desert or dune riding The 4.0 inch fat tires offer floatation on soft sand and loose surfaces, improving control and comfort on beaches or dune landscapes. EBike or rugged daily use Compatible with eBikes and heavy loads, with disc brake mounting and solid hub geometry for dependable front wheel performance in everyday commuting or demanding rides.