Skip to content

MX Select MX55 Adjustable Dumbbell and Rack Set

Sold out
Current price $499.00
$499.00 - $499.00
Current price $499.00
Original price $689.00
Original price $689.00 - Original price $689.00
Original price $689.00
Free Shipping Icon
Free Shipping, Always
Ships in 1-3 business days via FedEx or UPS.

Customer Reviews Icon
Trusted by 10,000+ Customers
From first-time buyers to full gym builds — see how we’ve delivered.
Flexible Payments Icon
Pay How You Want
Credit card, Shop Pay, PayPal, Bread, HSA/FSA with TrueMed and more!
Contact Us Icon
Talk to a Real Person
Building out a gym? Don’t guess. Call or text (844) 777-9754 or message us — we’ll help you get it right.

View all MX Select

The MX55 Adjustable Dumbbell + Rack Set by MX Select

A design so compact it fits perfectly into your lifestyle
The pro-style design of the MX55 adjustable dumbbells is unmatched in the free weights market. Offering unmatched selectorized weight performance, the MX55 dumbbell’s sleek form and unique safety features inspire fresh confidence and interest from lifting enthusiasts.

While there are many exciting features to the MX SELECT patented adjustable dumbbell design), the MX55’s best-selling point is the way it feels in the hand, combined with the smooth operation of the locking rack and pinion system, for seamless weight transition between reps.

Adjustable dumbbells loved by fitness fanatics
Our team of engineers and expert designers have drawn on their passion for fitness innovation to create an adjustable dumbbell system that will challenge any potential adjustable dumbbells rival in the market. The result speaks for itself – from its unique sculpted form to perfect balance and function, the MX55 will be loved by fitness fanatics who use dumbbells in their training routines.




FEATURES

  • Steel Craftsmanship - Looks, feels and functions just like a pro-style dumbbell
  • Perfect Balance - Length of weight shortens evenly each side, as less weight is selected
  • Quiet Smooth Operation - Changing weight does not involve handling the weight
  • No Protruding Knobs Or Ends - Selector dials recess into dumbbell collars after weight selection
  • Open Handle Design - Biomechanical and ergonomic precision
  • Unique Rack And Pinion Design - Securely locks dumbbell weight plates into an immovable position
  • Exceptional Value - Price per pound is close to the average for most models
  • Easy To Handle - Dumbbell handset can be removed and replaced at 180 degrees
  • Patented Design - U.S. Patent No. 10/166,427

 

SPECIFICATIONS

  • Dumbbell Weight Range - 10-55 lbs in 5lb increments or 4.5 – 24.9 kg in 2.25 kg increments
  • Total Weight With Stand - 137.5 lbs (62.3 kg)
  • Dimensions at 55 lbs (24.9 kg) - 15.94" long (40.5 cm) – end to end/out of stand
  • Dimensions at 15 lbs (6.8 kg) - 9.58" long (24.3 cm) – end to end/out of stand
  • Dimension Of Weight Stack - Distance from outside of dumbbell handle to outside of weight – approx. 4" (10.2 cm)
  • Dumbbell Handle Length - 5.21" (13.2 cm) (inside dimensions) by 1.125" (2.9 cm) diameter
  • System Footprint In Stand - 18.74" L X 22" W X 30.675"H (47.6 cm L X 55.9 cm W X 77.9 cm H)

RESOURCES



 





VIDEO RESOURCES




MX Select MX55 Adjustable Dumbbell and Rack Set Assembly Info

Most of our equipment requires some level of assembly, and many customers choose to handle this themselves using the included manual.

Assembly Services: We partner with installers who can assist with in-home or commercial setup. Learn more.

Need a quote? Contact us at info@strengthwarehouseusa.com or call +1 (844) 777-9754.

MX Select MX55 Adjustable Dumbbell and Rack Set Warranty

Every product we sell at Strength Warehouse USA is brand new and backed by the full manufacturer’s warranty. We’re an authorized dealer for every brand we carry, so your purchase is fully protected.

Have a question about warranty coverage before you buy? Just reach out — we’re happy to walk you through the details.

MX Select MX55 Adjustable Dumbbell and Rack Set Customer Reviews

Let’s Talk

Build a Space Worth Training In


From garage gyms to full-scale commercial builds, we help you get the right equipment, layout, and support — no fluff, just results.

  • Proven to Deliver

    Over 10,000 customers served — from first-time home gym owners to major commercial builds.

  • Built to Fit

    No cookie-cutter setups. We help tailor the right layout, brand mix, and delivery plan for your goals.

  • Everything You Need, Nothing You Don’t

    We’ll tell you what’s worth it, what’s overkill, and what’ll actually make a difference in your training.

  • Straight-Up Support

    We don’t disappear after checkout. You get updates, help, and a real rep you can reach.

“My experience with Strength Warehouse USA was exceptional. They delivered on time, communicated clearly, and helped me through every step of the setup.”

- Garfield B., Apr 2025

“We just set up our equipment! Everything came well-packed and quicker than expected. Customer service was fantastic throughout.”

- Patricia P., Mar 2025

“Super fast shipping, personal and fantastic service. Highly recommend. If I need anything else, I’ll be coming back.”

- Aslyn V., Nov 2024

“Great communication, timely updates, and a team that clearly knows their stuff. Strength Warehouse was easy to work with from start to finish.”

- Jason D., Aug 2024

Build Your Dream Gym — Contact Us

“My experience with Strength Warehouse USA was exceptional. They delivered on time, communicated clearly, and helped me through every step of the setup.”

- Garfield B., Apr 2025

“We just set up our equipment! Everything came well-packed and quicker than expected. Customer service was fantastic throughout.”

- Patricia P., Mar 2025

“Super fast shipping, personal and fantastic service. Highly recommend. If I need anything else, I’ll be coming back.”

- Aslyn V., Nov 2024

“Great communication, timely updates, and a team that clearly knows their stuff. Strength Warehouse was easy to work with from start to finish.”

- Jason D., Aug 2024