Front and rear bodies: aluminum. Front and rear axle material: steel. Front axle size: 9x100mm with QR. Rear axle size: 9x135mm with QR. 10 and 11 Speed compatible.The item "Mavic Aksium Race Road Bike Wheel Set 700C 11 Speed New stock will comes" is in sale since Sunday, September 1, 2019. This item is in the category "Sporting Goods\Cycling\Bicycle Tyres, Tubes & Wheels\Wheels & Wheelsets". The seller is "cyclingeasymel" and is located in Melbourne. This item can be shipped worldwide.