<p><strong>Please indicate the speed of your original wheel set after placing the order.</strong></p><p><strong>Wheel set is suitable for 8-11 speeds (washer is required for 8/9/10 speeds)</strong></p><p>20 inch 406 / 451 Centre lock Carbon Fiber wheel set</p><p>Flower Drum: Novatec D791SB/D792SB</p><p>Opening: 100*9mm Front / 135*10mm Rear</p><p>Number of holes: 24H</p><p>Bearing: Front 2 Rear 4 Bearing</p><p>Spokes: Taiwan Pillar spokes</p><p>Tire pad: nylon tire pad</p><p>Rim: Carbon Fiber Rim</p><p>Ring height: 50mm</p><p>Weight: Single front wheel ±660g, Single rear wheel ±780g (excluding quick release rod)</p><p>Wheel set accuracy: horizontal, longitudinal and center deviation shall be controlled within 0.3mm</p>