This wheel set is suitable for 8-11 speeds and features a double layer aluminum alloy rivet rim, six bolt disc brake straight pull hub, and sealed bearings. The front wheel has 2 bearings and the rear wheel has 4 bearings. The number of holes is 24H for both front and rear. The spokes are Taiwan Pillar Y Spokes and the QR model is 100X9mm for the front and 135X10mm for the rear. The weight is approximately 0.94KG for the front wheel, 1.14KG for the rear wheel, and 2.08KG for the pair without the quick release lever.