Upgrade your bike's wheel security with this lightweight quick-release axle set. Made from CNC-machined aluminum alloy with a hollow design, it's strong without adding much weight. The steel shaft has a diameter of 4.8mm. The front skewer is 145mm long (fits 100mm hub spacing, common on MTB and road front wheels), and the rear is 180mm long (fits 135mm hub spacing, common on MTB rear wheels). The lever is 7.2cm long for easy gripping. It comes in six color options (like black, blue, etc.) to match your bike's style. Improves wheel changes and adds a bit of custom flair. Compatible with most mountain bikes, road bikes, and some folding bikes. An affordable upgrade for better functionality and looks.