Speed Jump Rope. Fastest Dual Bearing Speed Rope Design for Double Unders, Cross Fitness Training, Wod's, Boxing, Mma. Adjustable to Fit All Sizes. Your Satisfaction Is Guaranteed. Add to Cart Now! 10ft ADJUSTABLE CABLE SPEED JUMP ROPE - Rope Clips & Extra Adjustment Screws Great Double Under Speed Rope. SUPER FAST! Interval Work, Home Workouts, WOD's, etc TANGLE-FREE DESIGN - SIMPLE to Use for Beginner, Intermediate, or Advanced PORTABLE, COMPACT, AND LIGHTWEIGHT - Take it with You Wherever Go - Never Miss A Workout *LIFETIME WARRANTY! You Will Be Happy, or We'll Send You a New Rope