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How to size your Rx Jump Rope

STEP 1: TAKE THE RX JUMP ROPE QUIZ

Take the Rx Jump Rope Quiz (below) to choose your ideal Rx Jump Rope. If you know which Rx Jump Rope is right for you, review the step by step guide for selecting the correct cable length and weight. If you are on the cusp of two cable weights, we recommend selecting the lighter cable. If you are between sizes, we recommend choosing the shorter cable. Long term, every athlete should aim to shorten their cable where technique allows. Please refer to the Sizing Principles, Technique Notes and Diagram below as well as our Educational Videos page for further information.

STEP 2: CHOOSE YOUR CABLE LENGTH

Height | Cable Length
120 to 125cm / 3’11” to 4’1” | 7'0"
125 to 130cm / 4’1” to 4’3” | 7'2"
130 to 135cm / 4'3” to 4’5” | 7'4"
135 to 140cm / 4'5” to 4’7” | 7'6"
140 to 145cm / 4'7” to 4’9”| 7'8"
145 to 150cm / 4’9” to 4'11" | 7'10"
 150 to 155cm / 4’11″ to 5'1" | 8'0"
155 to 160cm / 5’1″ to 5'3" | 8'2"
160 to 165cm / 5'3" to 5'5" | 8'4"
165 to 170cm / 5'5" to 5'7" | 8'6"
170 to 175cm / 5'7" to 5'9" | 8'8"
175 to 180cm / 5’9″ to 5'11" | 8'10"
180 to 185cm / 5’11” to 6'1" | 9'0"
185 to 190cm / 6'1" to 6’3″ | 9'2"
191 to 195cm / 6’3″ to 6'5" | 9'4"
196 to 201cm / 6’5″ to 6’7” | 9'6"
200 to 206cm / 6’7″ to 6’9” | 9'8"

Step 3: CHOOSE YOUR CABLE WEIGHT

Buff 3.4 Coated Cable – IDEAL FOR BEGINNERS TURNING LESS THAN 50 UNBROKEN DOUBLE UNDERS.

Our heaviest standard cable weighing 96 grams (3.4 ounces) per 9-foot (2.74m) length (excluding handles). Our Dual Threat cable which provides tremendous feedback allowing the athlete to jump with a broader range of tempos from very slow to super-fast. Ideal for beginners to gain a better feel for timing while jumping at slower tempos. Also, a fantastic training cable for advanced jumpers looking for greater resistance and intensity in their training.

Elite 2.6 Coated Cable – IDEAL FOR INTERMEDIATE TO ADVANCED. Recommended for jumpers who can already turn 50+ unbroken double unders.

Our mid-range weighted cable weighing 74 grams (2.6 ounces) per 9-foot (2.74m) length (excluding handles). Our most all around utility cable offering a nice blend of light weight with increased feedback and response while its rigidity maintains a nice “horse shoe” shape while in motion. 

Ultra 1.8 Coated Speed Cable – NOT RECOMMENDED FOR BEGINNERS. Recommended for advanced jumpers who can already turn 60+ unbroken double unders.

Our second lightest cable weighing 51 grams (1.8 ounces) for a 9-foot (2.74m) length (excluding handles). The Ultra 1.8 is considered our “hybrid speed cable” due to its light nature while offering more feedback to the athlete. The increased resistance allows the athlete to turn the Ultra 1.8 cable at a slightly slower cycle rate than the Hyper 1.3 yet triple unders are still plentiful. 

Hyper 1.3 Coated Speed cable – NOT RECOMMENDED FOR BEGINNERS. Recommended for advanced jumpers who can already turn 75+ unbroken double unders.

Our lightest offering weighing only 37 grams (1.3 ounces) for a 9-foot (2.74m) length (excluding handles). Most comparable to traditional speed cables. This cable produces the fastest cycle rate therefor the athlete must be extremely proficient at double unders. 

Speed Metal Uncoated Cable - NOT RECOMMENDED FOR BEGINNERS. Recommended for advanced jumpers who can already turn 75+ unbroken double unders or are working on triple unders. 

Available only on EVO G1 & EVO GO Speed Rope. Aircraft grade cable without coating which is our lightest cable offering.  Most comparable to traditional speed cables (comparable to Hyper). The uncoated wire provides a reduction in drag and cuts through the air with more ease. 

Heavy Metal Uncoated Cable  - NOT RECOMMENDED FOR BEGINNERS. Recommended for advanced jumpers who can already turn 60+ unbroken double unders or are working on triple unders.

Available only on EVO G1 & EVO GO Speed Rope. Aircraft grade cable without coating. The Heavy Metal cable offering weighs just mere grams more than the Speed Metal cable (comparable to Elite). Heavy Metal is our secret weapon for triple unders and quadruple unders due to its perfect balance of weight and rigidity that provides essential feedback to the athlete. 

Rx Jump Ropes use a progressive and scalable cable weight method which nurtures learning jump rope skills including double unders. We believe in the athlete using the RIGHT cable weight to encourage skill development over time, rather than offering ONE lightweight cable that forces the athlete to “keep up”, which results in bad technique habits. 

The Rx progressive cable weight method promotes learning double unders using marginally weighted cables which can be changed to lighter as skill level increases. Using slightly heavier cable allows better rope control, provides feedback into the handle and teaches the athlete the correct tempo & timing to produce consistent double unders. It also encourages learning double unders slowly, rather than forcing the athlete to learn at speed. Once these essential skills are learned, lighter cables can be introduced to further develop jump rope skills and promote larger sets.

SIZING PRICIPLES & TECHNIQUE NOTES

We follow two basic principles with regard to jump rope length; The first is “static” rope length. That’s the actual length of a rope not in motion. The second is “dynamic” rope length. That’s the rope in motion where the athlete’s mechanics can influence the effective length of the rope.

Our sizing chart will attempt to guide you to an ideal “static” rope length. This rope length is intended to fit a specific posture while jumping. That posture can be described as follows: Starting with your anchor point, which is your hand placement. Hands should be positioned at your midline axis and right at your frontal plane. Your hands can slide in or out along this axis depending on your shoulder’s external rotational flexibility.

Your elbows should be relaxed down by your side with your shoulders as disengaged as possible. Again, external rotational flexibility may dictate whether your elbows need to pull backwards in order to keep your hands from shifting forward of your frontal plane. Once we have your anchor point isolated at your midline axis, we then look for your jump rope to have an even turnover passing over head and in front of the toes with a minimum of 30cm/12″ clearance at both points.

If we’ve met all of those standards then we’ve placed the athlete in the best possible position to have balance and symmetry between their body and their rope. It will now only depend on the athlete’s efficiency of mechanics to dictate their “dynamic” rope length.

When viewing the sizing chart please locate your height while wearing your normal work out shoes. Then see the indicated rope length recommended for that height. That is the measurement you would select when purchasing your custom-made Rx Jump Rope.

Please note; the way which you hold the rope will have more of an impact on cable length than a 2/5cm change in length. The size chart is a guide only. Where technique allows, we encourage all users to shorten their cable. If you have been using a cable shorter than the sizing chart recommendations, continue to use that cable length. A shorter cable will encourage tighter technique, less fatigue in the arms & shoulders as well as prolonging the life of your cable i.e. excess cable hitting the floor will wear your cable down. Aim for a brush of the cable under your feet rather than a strike. You want contact but not impact. If you are hearing a lot of cable hitting the floor, it is likely that your cable is too long.

Should you have any questions on optimal cable weight and length please get in contact here or call us on +61 477 174 632. We answer sizing questions regularly and are happy to help.

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