Key features

• •【2026 Newly Adjustable dumbbell】Design and produce fitness equipment for 20 years. FLYBIRD strength equipment are designed with advice of professional coach, committed to meet your needs for diversified weight training
• •【Replace Your Entire Dumbbell Rack】Why clutter your space with 10 dumbbells? FLYBIRD revolutionary 5-in-1 set covers 5 pair weight options(5lbs, 10lbs, 15lbs, 20lbs, 25 lbs). From lighter weights to heavier weights, you can customize your training intensity and train targeting muscle groups based on your skill level
• •【Value for Money】No need to separately buy different dumbbell weights multiple times. Maximize your space and your budget. This single set replaces five individual pairs, saving you 80% on storage space and 35% on cost compared to buying fixed weights
• •【Change Weight in Just 1 Second】Never Break Your Flow Again; Experience one-second weight changes with our one-handed dial. No stopping, no fumbling—just seamless transitions for superior training efficiency.
• •【Engineered for Your Safety】Featuring an exclusive 8 locks structure design, these dumbbells are built to stay secure during your most dynamic movements, putting safety first.
• •【Arrives with a Free Storage Tray】Stay organized from day one. Comes with a high-strength, thickened tray to keep your weights neatly stored and your floors scratch-free.