264lbs Weight Stack Upgrade Relentless
264lbs Weight Stack Upgrade Relentless
SKU:UPG-SMT92-120
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Lifetime Parts
Warranty
Built by Lifters.
Trusted by You
Love it or
return it!
If you're looking to upgrade the weight stack on your Mr. Monster machine, you've come to the right place! This upgrade kit is specifically designed for those who want to increase the resistance on their machine and push their strength training to the next level. The kit includes:
- 3 x Extended Rods – These rods are crafted to accommodate the additional weight, ensuring your machine remains functional and safe as you take on heavier challenges.
- Additional Weight Stacks – These extra weight plates allow you to boost the weight of your side stacks, upgrading them from 176 lbs to an impressive 264 lbs per side.
This upgrade kit is ideal for serious athletes and fitness enthusiasts who are looking to build more muscle and break through plateaus. With this enhancement, your workouts will feel more intense, and the progressive overload will support continuous strength gains.
Take Your Workouts to the Next Level
If you're serious about improving your strength and building muscle mass, upgrading to the 264 lbs weight stack is an investment in your fitness journey. With this added weight capacity, you can challenge your muscles in new ways, pushing past your current limitations and experiencing enhanced performance in your workouts.
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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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BeFit Now is proud to be a Canadian fitness brand.