Bear KompleX aluminum speed jump rope is great for Crossfit, Double unders, boxing, fitness & conditioning. Lightweight cable combined with the durable aluminum handle allow you to dominate your WODs FASTEST SETUP TIME ON THE MARKET - our patented technology allows you to size and set this rope up in seconds LEARN DOUBLE UNDERS FASTER - with our customized sizing chart you can be sure to get your rope to the exact size that allows you to improve quicker than the rest HIGH QUALITY CONSTRUCTION - with speed bearings, aluminum handle, and a coated wire rope your rope is bult to last and easy to adjust COMES WITH 2 CABLES - 2 cables provided to keep you going longer. DOMINATE YOUR WORKOUT - This jump rope is not only extremely fast but it allows you to quickly recover during inaccurate swings