Mountain Bike Wheelset 26/27.5/29 Inch 5 Bearing BOOST 120 Sound Drum Axle Quick Release Disc Brake Black Quick Release Version Compatible with Tubeless 1 Pair This mountain bike wheelset is designed for those who spend their days riding in the mountains. The wider rim provides better sidewall support for the tire, allowing you to get out of trouble at lower tire pressures, thereby improving traction and control.  Features: High-strength 32-hole hub for durability. Compatible with tubeless, providing better tire support. Equipped with 2mm round spokes and DH30 drum, affordable and practical. Suitable for mountain biking, providing excellent traction and control. Available in three sizes: 26, 27.5, and 29 inches. Specifications:  Rim Material: Aluminum  Wheel Size: 26/27.5/29 inches  Tire Type: Open tire, inner tube.  Compatible with tubeless Rim Width: Outer 33.6mm/13.2in, Inner 30mm/11.8in  Brake Compatibility: Six-pin disc brake  Drum: 6-claw 3-tooth, 120 sound  Front Axle: 15x100/5.9x3.9in, boost: 15x110/5.9x4.3in  Rear Axle: 12x142/4.7x5.6in, boost: 12x148/4.7x5.8in  Spokes: 32/32, J-bend 2.0mm steel wheel  Weight: about 1980g/4.4lbs Package list:  1 x Pair Mountain Bike Wheelset  1 x Quick Release Pad  1 x Tire Pad