NBTRXWAFR 20In 406/451 Mountain Bike Wheelsst Double Layer Aluminum Alloy Rims Disc/V Brake Quick Release 24/28H Hubs for 7 8 9 10 Speed Cassette Bicycles Front Rear Wheels,Black,406

740g, and rear wheel weight 940g. Folding Bike Rims: Double Layer Aluminum alloy rims, front wheel 24 Holes and rear wheel 28 Holes, Inside width 20mm, outside width 25mm, Height 20mm, A/V Schrader valve. Front and Rear Hubs: 7075 Aluminum alloy, The front 2 and the rear 2 sealed Bearings, Disc/V brake, Quick Release Front 100/Rear 135MM. 7075 aluminum alloy freehub compatible 7/8/9/10-speed cassette freewheel. Spokes: Steel stainless steel round spokes, 24spokes at the front wheel and 28 spokes at the rear wheel, reduce wind resistance, increase riding speed and strength of rim, spokes stressed evenly. Package: Bike Front Wheel x 1, Bike Rear Wheel x 1, Quick release lever x 2, Tire pads x 2. Before purchasing this rims, please make sure that the size of this wheelset is consistent with the size you need.