The Ultimate Jump Rope for Mastering Double Unders Designed for speed, control, and precision, this jump rope features perfectly balanced handles and high-precision bearings for fast, smooth rotation. Key Features: * 14 cm ergonomic handles for a comfortable and secure grip * 1.5 cm handle diameter with 7 cm knurled grip area * 300 cm extra-long cable, suitable for even taller athletes * High-precision ball bearings for ultra-fast, smooth rotation * External dual-axis bearing system for a wider cable departure angle and reduced cable stress * 360° smooth swivel rotation * Adjustable cable length for a personalized fit * Fixed swaged end + adjustable end for easy setup * Durable coated cable suitable for rubber and other non-abrasive surfaces * Quick and simple adjustment with no complicated setup Built for athletes who demand speed, efficiency, and precision.