EVO MX55 Dumbbells

MX55 Rapid Change Dumbbell System features our unique MX SELECT patented rack-and-pinion design with a secure, Positive Lock System. Dial up your weight selection – lock it in – and train with absolute certainty. The MX55KS Rapid Change Dumbbell System with Knurled Steel Handles has a total weight of 55 lbs (25.3 kg) per dumbbell. The Knurled Handle has a traditional look with perfect depth and cross-hatch to deliver a trusted, solid feel. It is paired with Knurled Steel Selector Dials and matching Decals to complete the look, feel and long-term durability.

What is a Adjustable Dumbbell?

What adjustable dumbbells are

Adjustable dumbbells replace a whole rack of fixed dumbbells with one pair whose weight you change via a dial, pin, or selector plate. They are the space-and-money saver for home gyms: a single set can span roughly 5–50+ lb per hand. The trade-offs are bulkier handles, a fixed max weight, and a mechanism that can wear or rattle.

What to look for

Fast adjustment (dial or lever beats stacking plates), a wide and useful weight range, a balanced feel that doesn’t clunk mid-rep, and a durable locking mechanism. Many sets include or offer a stand — worth it, since the blocks are awkward to load off the floor.