MX125 Rapid Change Barbell System features our unique MX SELECT patented rack-and-pinion design with a secure Positive Lock System. With your weight selection locked – train with absolute certainty.
The MX125 Rapid Change Dual Barbell System comes complete with a knurled steel Straight Bar and EZ Curl Bar, 120 lbs (53.7 kg) of weights and 2 x 2.5 lb (1.13 kg) magnetic increment plates, all neatly housed in a sleek space-saving storage rack. This innovative system allows you to choose from 20 different weight settings, up to 125 lbs (56.5 kg), on both the Barbell and EZ Curl Bar for a total of 40 weight options in one system.
The MX125 dual Bar storage rack, included in the MX125 System, allows for quick and seamless switching between the Straight Bar and the EZ Curl Bar, enhancing your workout efficiency.
With either bar cradled in the rack, you can easily select from 10 weight levels (30–120 lbs / 13.1–53.7 kg) with a simple turn of the dial. Lock your chosen weight securely by pressing the selector dial into the housing. The Magnetic Increment Weights, also included in the MX125 System allow for even greater training versatility.
Product Model No. | MX125KS-LB MX125KS-KG |
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Two Barbell System Weight Range | 30-120lbs in 10lb increment 14.2-5.7kg in 4.52kg increments |
Barbell Length – Minimum Weight | 48.9”- MIN 30lbs 124.2cm – MIN 14.2kg |
Barbell Length – Maximum Weight | 55.31”- MAX 120lbs 140.5cm – MAX 53.7kg |
Handle Dimension – Grip Length / Diameter | 43.5" / 1.15" 110.5cm / 2.93cm |
Footprint – Two Barbells & Rack | 55.43”L x 18.9”W x 32.87”H 140.8cm L x 48cm W x 83.5cm H |
Total Weight – Two Barbells & Rack | 187.06lbs 84.85kg |
2 Boxes Per System
MX125 Bars & Rack (Box1)
Size | 1450 x 470 x 310mm 57.09 x 18.50 x 12.20” |
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Net Weight | 42.0kg (90.83lb) |
Gross Weight | 47.0kg 105.38lb) |
Cubic Meters | 0.211 cubic meters (9.89 cubic feet) |
MX125 Weight Plates (Box2)
Size | 423 x 335 x 340mm (16.7 x 13.2 x 13.4”) |
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Net Weight | 37.4kg (82.42lb) |
Gross Weight | 39.2kg (86.42lb) |
Cubic Metres | 0.48 (1.72 cubic feet) |
Dumbbell Body | Steel |
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Dumbbell Grip | Knurled Steel |
Weight Plates | Powder Coated Steel |
Handset Mechanism | Steel and ABS |
Weight Cradle | Powder Coated Steel & Polyanide Nylon |

REVOLUTIONIZE YOUR WORKOUTS
THE ULTIMATE FITNESS EQUIPMENT
Originating in the heart of the USA, MX Select emerges after over a decade of relentless dedication and refinement. This arduous journey has birthed an unparalleled line of Selectorized Weight Systems, meticulously crafted to perfection.
Engineered to conserve space without compromising on efficacy, each system exudes a harmonious balance and unwavering reliability.
A BENCHMARK IN STEEL CORE PLATES
The steel core of MX Select products embodies unrivaled durability, ensuring longevity and stability throughout every workout session. Crafted with precision and fortified with top-grade materials, the steel core guarantees unparalleled performance and reliability, setting a new standard for fitness equipment excellence.


UNBREAKABLE DIAL SELECTOR
MX Select’s precision-engineered dials offer seamless weight adjustments with unparalleled accuracy, ensuring swift transitions between exercises. Crafted with meticulous attention to detail, these dials provide a smooth and reliable mechanism for effortless customization, enhancing the user experience with every workout.
REDEFINING COMFORT & CONTROL
Crafted for maximum grip and comfort, MX Select’s premium knurled handle elevates your workout experience with its ergonomic design. Designed to withstand intense training sessions, this handle ensures stability and confidence, empowering you to push your limits and achieve your fitness goals with ease.

Optional Accessories
Add an MX Dumbbell System to expand the range of exercise movements and perfectly compliment your MX125 System.