Cable Speed Jump Rope の説明 from Pro Source
ProSource super fast, speed, cable rope is a must have for everyone. This rope will make crossing moves, double under and even triple under easier and fun. Perfect for beginners as well as advanced jumpers. ProSource cable jump rope is a one size fits all. Simply measure rope by standing on the middle of the cord and the end of the handles come up to the top of the jumper's shoulders. Will fit anyone up to up to 6' 6" tall. Simply adjust the length with an easy screw/lock using fingers or a screw driver (recommended). Make sure it is clamped tight before jumping. As an option you can cut off the extra cable.
-High quality, durable wire cable, Lightweight ergonomic handles
-Smooth and quick with every rotation
-One size fits all, fully adjustable up-to 10ft, easily changes length
-Ideal rope for double-under and speed jumping
-Must have rope, perfect for athletes of all levels, including crossfit, boxing, MMA and may others