Bicycle WheelsMavic Crossride Wheelset Posted on June 14, 2012September 21, 2012 by Jeff JEFF 14 JunSpecifications:Weight: 1905g (pair) Front wheel: 885g Rear wheel: 1020g Material: 6106 Aluminum Valve hole: 8.5mm Front&rear hub: 6 holes / Lock ring disc brakes ETRTO size: 559x19cRRP RM 999*image above just for illustration purpose. Hydration Pack – Hydrapak Soquel (2.0L)How to choose a bike for kids