REP® x PÉPIN™ FAST Series™ Adjustable Dumbbell

$450 ~~$899.99~~ In stock

The REP® x PÉPIN™ FAST Series™ Adjustable Dumbbell is a collaborative design that delivers dependable performance for strength training at home. This adjustable dumbbell pair allows you to quickly change loads without swapping plates, streamlining your workouts.

Available in four weight capacities: 65 lb, 85 lb, 105 lb, and 125 lb pair
Adjustable design eliminates the need for multiple individual dumbbells
Engineered in partnership with PÉPIN™ for reliable functionality
Part of the FAST Series™, built for efficient changing between exercises

Customer Reviews (5.0 / 5 · 5 reviews)

Scarlett D. ★★★★★ Aug 24, 2026

Switching plates takes me under ten seconds now, and the locking mechanism feels rock solid mid-set. I can finally ditch my old dumbbell rack, these two handles cover everything I need for home workouts.

Ellie ★★★★★ Aug 23, 2026

The weight plates lock in place with a satisfying click, and the whole setup feels solid mid-rep, no wobble at all. I'm honestly surprised how fast I can swap between exercises without breaking my flow. These have made my home workouts feel way more efficient.

Steven H. ★★★★★ Aug 22, 2026

The quick-change mechanism is the reason I bought these, and it works flawlessly—I can go from 10 to 40 pounds in seconds without fiddling with plates. The pair feels solid and balanced even at heavier weights, which makes my home workouts feel just like the gym.