Perfect refit accessories for your loving bike! <br><br><strong>Features:</strong> <br>Constructed of CNC anodized aluminium alloy and carbon fiber, durable and lightweight. <br>24 holes design, compatible with 8, 9, 10, 11 speed flywheel. <br>2+5 bearings(F: 2, R: 5), smooth and quite rolling. <br><br><strong>Specifications:</strong> <br>Color: Black / Silver+Red (optional) <br>Material: Aluminium alloy + carbon fiber <br>O.L.D: F-100mm, R-135mm <br>Hub weight: F-200g / 7.1oz, R-315g / 11.1oz <br>Quick release weight: F-48g / 1.7oz, R-52g / 1.8oz <br>Package size: 22 * 17 * 5cm / 8.7 * 6.7 * 2.0in <br>Package weight: 690g / 24.3oz <br><br><strong>Package List:</strong> <br>1 * Front Hub <br>1 * Rear Hub <br>1 * Front Quick Release <br>1 * Rear Quick Release