4Arm Strong Arm Pump Device

SKU: 7104526-c

The 4Arm Strong Self Therapy Device is a tool that directly combats arm pump, stretching and training your forearm muscles to better handle the strain of riding and eliminate arm pump.

Designed by former pro motocrosser Lee Ramage, the 4Arm Strong Self Therapy Device works by attaching to your forearm and applying pressure to key muscle groups. 

With the 4Arm Strong in place, your typical forearm stretches become much more effective, expanding the underlying muscle fascia and physically lengthening the forearm muscles.

This deep, precision stretch of the 4Arm Strong results in a greater grip strength, increased flexibility, and most importantly zero arm pump.

With quality materials, multiple sizes, and a fully adjustable range of pressure the 4Arm Strong Self Therapy Device is a great solution to the arm pump problem. It can also help relieve problems associated with golfers elbow and tennis elbow.


  • Reduces arm pump discomfort, lack of circulation, and loss of control
  • Can increase grip strength and promote flexibility
  • Improves the effectiveness of forearm stretches
  • Lengthens muscle and muscle fascia in an anterior and posterior forearm
  • Large range of pressure adjustability
  • Used pro and amateur riders alike
  • Polycarbonate, 4-40 stainless steel, and 6061 aluminium construction


Measure the circumference of your forearm approx. 3 inches (8cm) down from the inside of your elbow towards your wrist

  • S/M - Forearm sizes 28cm or less
  • L/XL - Forearm sizes larger than 29cm

Rider Feedback

Ryan Dungey, Supercross champion, AMA National Motocross Champion. Team KTM USA​

  • Big thanks to the crew at 4Arm Strong for taking care of me and helping me get the job done!

Jason Anderson #21, Team Rockstar Husqvarna

  • No BS, I use the 4Arm Strong to get loosened up every day!

Aaron Plessinger, Team Star Racing Yamaha

  • Thanks, 4Arm Strong for getting rid of my wooden arms!

Blake Baggett, Yoshimura Suzuki Racing Team

  • Happy with the results! I have been using every day and I feel great! Now just working to be better each weekend!

Jimmy Decotis, Geico Honda

  • Already feel the improvements from last weeks riding. Helping my brick arms one day at a time!



Browse More


Buy now, Pay later

Four payments of $44.99

Select adult size

In Stock - Ready to ship!

  • MXexpress Shipping. Get your order Fast
  • Free Shipping*. Thousands of products in stock
  • Australian Owned. 60 Day Return policy