BYZOOM FITNESS Classic Series 50 55LB Adjustable Dumbbell Pair Set of 2 5-in-1 OR 15-in-1 Patented Secure System

DOMINATE YOUR HYPERTROPHY. NO COMPROMISE. The BYZOOM FITNESS Classic Series 55LB is engineered for the man who understands that small gains lead to massive results. By integrating two removable 2.5LB micro-plates into our industrial-grade cast iron frame, we’ve created a 15-in-1 tool that offers more precision than any other adjustable in its class. ENGINEERED FOR CHAMPIONS Tested and trusted by WNBF 3x World Champion Zack, this gear is built for the grind. While other brands use bulky composite fillers, we utilize nylon-coated cast iron for a shorter, tougher, and better-balanced dumbbell that survives years of heavy drops. PRECISION AT SPEED The 1-second weight change system allows you to jump between main weight levels instantly, while the micro-loading dials let you fine-tune your resistance. It is the ultimate space-saver, replacing a 15-piece commercial rack with one mission-focused unit. TECHNICAL SPECIFICATIONS: Material: High-Density Nylon-Shielded Cast Iron Weight Range: 10 LB to 55 LB (15 Levels) Form Factor: 12-Sided Polygonal Anti-Roll Base Micro-Adjust: Dual 2.5 LB Removable Plates Safety: Patented US/EU/Asia Dovetail System

Highlights: ULTIMATE 15-IN-1 PRECISION: The 55LB Classic Series features dual 2.5LB removable micro-plates, giving you 15 precise weight increments to master progressive overload and break through strength plateaus. Buy One Set, Use Longer. Best Value for Home or Garage Gym. FORGED CAST IRON DURABILITY: We use high-density, nylon-shielded cast iron to deliver a compact, balanced feel and a solid impact that won’t rattle or crack during high-intensity sessions. STABLE 12-SIDED POLYGONAL BASE: Our classic polygonal plates provide a rock-solid, stationary foundation. Use the weights as a stable platform for renegade rows and floor push-ups without the instability or rolling risk of round dumbbells. ADJUSTABLE LENGTH: Most adjustables stay bulky even at light weights. Our high-density iron allows the dumbbell to physically shorten from 15.94" to 6.65" as you drop weight, ensuring a natural range of motion that won't bump your body. PATENTED DUAL-LOCK SECURITY: Train with the confidence of a 3x World Champion. Our patented safety dovetail mechanism secures the main plates, while the secondary rotation lock keeps micro-plates tight for a silent, rattle-free experience during explosive lifts.

How it fits your day: Use the key specs and highlights above to match it to your setup, space, or routine before you check out.

Customer feedback: 5.0/5 average rating.

Review snippets: This SOLID Cast Iron Adjustable Dumbbell Set is Very High Quality and Super-Easy/Quick to Adjust/Change the Weights. They are Very Heavy: 55-Pouns Max Weight-each. They are Very Large and the Adjustment Levers really do take just a few seconds to / using them in my garage gym for a few weeks now. Ive gotta say theyre way better than I expected for the price. The polygonal bases are legit stable so no more weights rolling away when I do renegade rows

Product description The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. BYZOOM FITNESS Classic Series 55LB w/ Micro Plates Merchant Video BYZOOM FITNESS Patented Micro Plate Mechanism Previous page Next page 1 15-IN-1 BEST VALUE 2 ADJUSTABLE LENGTH 3 ICONIC POLYGONAL DESIGN 4 1-SECOND WEIGHT CHANGE 5 PATENTED MICRO PLATE SPECS APPROVED BY PROFESSIONALIST BYZOOM FITNESS Classic Series v.s.Pure Series Classic Series 55LB Add to Cart Classic Series 50LB Add to Cart Pure Series 50LB White Buying Options Pure Series 50LB Black Buying Options Pure Series 55LB White Buying Options Pure Series 55LB Black Buying Options Price $139.99 $ 139 . 99 $119.99 $ 119 . 99 — — — — Micro Plate ✔ ✘ ✘ ✘ ✔ ✔ Weight Change 15-IN-1 5-IN-1 5-IN-1 15-IN-1 5-IN-1 15-IN-1 Min-Max Weight 10LB-55LB 10LB-50LB 10LB-50LB 10LB-50LB 10LB-55LB 10LB-55LB Storage Tray ✔ ✔ ✔ ✔ ✔ ✔ Converter Applicable ✘ ✘ ✔ ✔ ✔ ✔