90lbs Adjustable Cast Iron Dumbbell Pair
90lbs Adjustable Cast Iron Dumbbell Pair
SKU:DMB100-90
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Lifetime Parts
Warranty
Built by Lifters.
Trusted by You
Love it or
return it!
Key Features
1. The Most Space-Efficient Dumbbells in the Game
Ditch the clutter — each set replaces 25 individual dumbbells with one compact system, saving serious space in any home or commercial gym.
2. 15 to 90lbs with Quick-Switch Adjustability
Seamlessly adjust in 5lb increments from 15
3. Built for Both Home and Commercial Use
Engineered with premium-grade materials to withstand high-volume training in commercial gyms, while compact enough for private setups.
4. Train Every Muscle Group with One Tool
From heavy presses to focused curls, these dumbbells enable full-body workouts that target back, chest, legs, arms, and more.
5. Backed by a Lifetime Warranty
We stand behind our quality — your dumbbells are covered for life, no questions asked.
Specifications
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IN HOUSE SUPPORT
Real support from real people. Our in-house team is here for setup, parts, and long-term service - so your equipment stays running and your gym stays open.
THE BE FIT NOW DIFFERENCE
Built for daily use and backed by a lifetime parts warranty. Supported by our in-house team, BeFitNow delivers equipment you can rely on - without the downtime.
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IN HOUSE SUPPORT
Real support from real people. Our in-house team is here for setup, parts, and long-term service - so your equipment stays running and your gym stays open.
THE BE FIT NOW DIFFERENCE
Built for daily use and backed by a lifetime parts warranty. Supported by our in-house team, BeFitNow delivers equipment you can rely on - without the downtime.
COMMERCIAL SUPPORT & SERVICES
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COMMERCIAL & VOLUME SOLUTIONS
Flexible pricing and equipment packages tailored for gyms, studios, and commercial facilities.
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WHITE GLOVE DELIVERY & FACILITY PLANNING
Professional delivery, installation, and layout guidance designed for seamless setup.
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WARRANTY & FINANCING OPTIONS
Lifetime parts coverage and flexible financing built for long-term confidence.
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Schedule a time to speak with a specialist, give us a call, or visit us in person, or just fill out the form.
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A LIFETIME WARRANTY
THAT BEATS THE REST
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NO USAGE EXCLUSIONS
No carve-outs for “normal use” or high-traffic environments.
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SIMPLE LONG TERM COVERAGE
Clear terms designed for ownership, not loopholes.
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WEAR PARTS INCLUDED
Pads, cables, bearings, and moving components are covered.
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COVERAGE AREA 
TYPICAL COMPETITORS Structural/Frame LIFETIME 1-15 Years Moving Parts LIFETIME 1-15 Years Wear & Tear LIFETIME Limited Upholstery & Attachments LIFETIME Limited Cables LIFETIME None or Limited Exclusions × Normal Wear & Tear Warranty Complexity LIFETIME High Traffic Use
BUILT BY LIFTERS.
BACKED BY VETERANS. TRUSTED BY YOU.
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REVIEWS
Hear from our members who have transformed their fitness, performance, and lifestyle with us!
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We deliver premium commercial-grade equipment at everyday prices, built with trusted quality and performance in mind.
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Designed and engineered in North Amercia is only the core strength machines