Hub: front 2 rear 4 bearing, straight pull, 7075 aviation aluminum material, imported super lubricating bearings, quick release version/thru axle version Freewheel hub body: 7075 cold forged, 7/8/9/10/11/12 speed flywheel supports installation, six claw high-density noise
Spokes:front and rear are 24holes, 45 # steel straight pull round spokes/equipped with anti rust copper heads
Rim: Double anode (matte black body, hard oxygen black brake edge) double-layer aluminum alloy rim, rim height is 30MM, presta valves(inner tube requires 48MM long)
Weight: front wheel is about 800g,rear wheel is about 900g (excluding quick release)
