As an important role to connect the spokes and axles of the bicycle, this set of hubs with professional bearings inside will be a smooth and quiet and fine bearing to prevent dirt and mud.<br/> <br/ > <strong>Features:</strong><br/> Package included: 1 front hub, 1 rear hub and 2 skewers.<br/> With 36 hole drillings, compatible with 5/6/7/8S rotary freewheel. <br/> Precision machined steel bearings for a smooth, fast ride. and removal<br/> Internal grease sleeve helps maintain and increase the life of the hubs.<br/> Aluminum alloy hub shells and anodized treated skewers for easy maintenance and long life duration.<br/> <br/> <strong>Features:</strong><br/> Material: aluminum alloy<br/> Color: black / blue / red / gold (optional)<br/> Compatibility: 5/6/7/8S freewheel<br/> Front hub length: 100 mm / 3.9 inch<br/> Rear hub length: 135 mm / 5.3 inch<br/> Weight: 38 g / 11.9 ounces<br/> Package size: 250 * 170 * 50 mm / 9.8 * 6.6 * 1.9 inch<br/ > Package Weight: 674g / 23.7ounce<br/> <br/> <strong>Packing List:</strong><br/> 1 * Front Hub<br/> 1 * Rear Hub<br/> 2 * Quick Release Lever