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Reactive Stretch Cord

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  • The Overspeed Reactive Stretch Cord Includes 1 Stretch Cord, Anchor Strap, Carry Bag, Adjustable Belt and 2 Free Training Programs. (Overspeed Accelerator and Vertical FX)
  • Duel Multiflex Resistance Bands For Doubled Resistance
  • The Reactive Stretch Cord Overspeed Accelerator Training Program can be placed on your Smartphone, Tablet or Laptop to train anywhere.
  • Vertical FX training download will increase your vertical with each training sequence. Add Vertical FX to your smartphone, tablet, and laptop and train anywhere.
  • RSC Motion and RSC Agility Digital Trainers Included With Your Order of the Reactive Stretch Cord.
  • Acceleration Training With The Reactive Stretch Cord
  • Challenge Agility and Footspeed
  • Build Power With The Reactive Stretch Cord
  • Power Training With The Reactive Stretch Cord.
  • Detachable Safety Carabiner
  • Adjustable Belt For Users With A Waist Under 33 Inches and For Users With A Waist Over 34 Inches
  • Reactive Stretch Cord Carry Bag
  • Workout Breakdown Sheets Included With Each Training Program.
RRP: $49.99
$39.99 (You save $10.00)
Ships 1 - 2 business days.
Calculated at checkout

 Product Description

Reactive Stretch Cord

Overspeed Trainer, Assisted and Resisted Speed Training

The Reactive Stretch Cord is an amazing training tool utilized to increase your speed and acceleration. By applying assisted overspeed training techniques to your speed and agility training, you will find the ability to accelerate from a stationary position or change direction much faster. 

Simply place the Reactive Stretch Cord around your waist and start training with the Overspeed Accelerator and Vertical FX training programs. (Overspeed Accelerator and Vertical FX FREE with purchase)


Reactive Stretch Cord Includes


  • 8-20ft Extended Stretch Cord
  • Adjustable Belt
  • Assistance Hand Strap
  • Overspeed Accelerator and Vertical FX

Sizing For All Athletes | Reactive Stretch Cord

Reactive Stretch Cord Adjustable Belt

Belt Placement

  • Place the adjustable belt around your waist just above your hips. Pull the belt through the metal rings and tighten the belt snug. Place the velcro strap against itself evenly.
Reactive Stretch Cord Clip

360 D-Ring

  • With the adjustable strap placed evenly to itself the 360 D-Ring will slide freely around your waist allowing multidirectional resistance. Secure the Reactive Stretch Cord clip to the 360 D-Ring and grab your Anchor Strap.

Double The Resistance

2 Resistance Bands Inside The Sleeve

Doubled Resistance

  • The Reactive Stretch Cord includes 2 multiflex resistance bands doubling your resistance.
Reactive Stretch Cord Anchor Clip

Anchor Clip

  • When working with the Reactive Stretch Cord it is important to check each of the clips. Be sure they are closing properly before use.

Lock Clip And Begin Training

Reactive Stretch Cord Lock Clip

Lock Clips

  • After you have securely clipped to the anchor strap and 360 D-Ring you are now ready to begin training. Slide the D-Ring in a circle around your body to ensure the strap is setup properly.
Reactive Stretch Cord Safety

Resistance Level & Training

  • The Reactive Stretch Cord will stretch to a maximum length of 20ft. Utilize the training videos for proper resistance adjustments and cone placement to ensure safe use of your Reactive Stretch Cord. Work through the "How To Video" and training videos before working out.

Overspeed & Resisted Sprint Training

The Reactive Stretch Cord gives athletes the ability to incorporate overspeed training techniques to their sprint work. With the Reactive Stretch Cord athletes can complete multidirectional assisted sprint drills like the Assisted W Drill or Assisted Shuffle Sprint Drill. The Reactive Stretch Cord also provides athletes the ability to increase their linear acceleration with a variety of sprint variations. With your purchase you will receive the Overspeed Accelerator Training Program.

  • Build Faster Acceleration.
  • Bonus Resisted Drills For A More Powerful Stride.
  • Complete Workout Breakdown Videos.
  • Overspeed Accelerator FREE With Your Order
Increase Your Vertical

Increase Jump Height and Vertical Power

The Reactive Stretch Cord allows athletes the ability to apply resistance during their jump training. Athletes of all ages can apply the right amount of resistance to their bodies to enhance the plyometric effect. With a higher level of muscle activation, athletes will increase their vertical much faster. Also included with an order of the Reactive Stretch Cord is Vertical FX. Athletes will enhance their jump height knowing exactly what to do on any given training day.

  • Increase Jump Height.
  • Build Power and Explosiveness With Resistance.
  • Downloadable Breakdown Sheets and Videos.
  • Vertical FX FREE With Your Order.


Overspeed Accelerator


Receive Overspeed Accelerator FREE with your purchase of the Reactive Stretch Cord. With Overspeed Accelerator you will build acceleration with assisted and resisted speed and agility drills. This downloadable training program can be placed on your smartphone, tablet or laptop to train anywhere.

Vertical FX


Increase your jump height with Vertical FX. Through each workout you will move through resisted plyometric jump training techniques focused on increasing your vertical. By applying the right amount of resistance to each drill, athletes of all ages will become a more powerful jumper.

RSC Motion and Agility

RSC Motion and Agility

Take your Reactive Stretch Cord training to a new level with more workouts. Utilize RSC Motion and RSC Agility to increase power and explosiveness. Perform Power Broad Jumps, accelerated sprints, and multidirectional agility drills during each Reactive Stretch Cord training session.

 Warranty Information

30 Day Money Back Guarantee

 Product Reviews

Showing reviews 1-10 of 44 | Next

  1. Speed training

    Posted by Mike on 17th Jan 2017

    The reactive stretch cord is a quality speed training device. We have had ours for about a year and are getting three new ones for the team.

  2. Two bands

    Posted by Marcus on 9th Nov 2016

    I have purchased the reactive stretch cord to replace a previous resistance band that snapped. Now that I come back to write my review I noticed that there are two bands inside the sleeve not just one. I thought it felt like a lot more resistance and I guess that's why. Great addition, Great resistance level.

  3. Great product!

    Posted by Ben on 9th Nov 2016

    The different sizes for belts is a great addition. I have had training devices like this before but the belts never seem to fit right. I ordered three of these in all different sizes and they have made a big difference when fitting athletes. Waste sizes are definitely not a one-size-fits-all so the reactive stretch cord has worked well for me.

  4. rsc

    Posted by D. on 12th Sep 2016

    The Reactive Stretch Cord has been a major part of my sprinting career. When I started using it in high school my speed increased dramatically. Since using the reactive stretch cord I have shaved another 10th off my 200 m.

  5. Good training tool

    Posted by Jared on 21st Jun 2016

    The reactive stretch cord is a fun piece of equipment. I use it with my son and he is always very excited to use it.

  6. Spot on

    Posted by Jennifer on 14th Jun 2016

    appreciate the spot on videos/tip/training ideas- great concept, comfortable, safe, effective

  7. Five stars

    Posted by Micki on 18th May 2016

    I use the reactive stretch cord often. The drills are fun and the videos give you great ideas on how to use it. The quality of the band is great and very strong.

  8. Kbands Training

    Posted by Unknown on 16th Mar 2016

    Easy site to navigate. Clear prices and descriptions. Simple process. Will be purchasing from KBands Training again.

  9. Perfect

    Posted by Ron on 15th Mar 2016

    We have been using the reactive stretch cord for about eight weeks. We have been using it for our 40 yard dash sprints. So far 4 out of our 12 athletes have decreased their 40 yard dash time by .4 seconds, 3 out of our 12 decreased by .3, and 5 athletes decreased .2.

  10. Acceleration

    Posted by Coach Robertson on 19th Feb 2016

    Use the Overspeed workout. It is great for training. Each of my athletes are much faster out of the blocks.

Showing reviews 1-10 of 44 | Next

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