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AmStaff Fitness Urethane Dumbbells, a perfect blend of robust steel construction and cutting-edge urethane technology. Whether you're equipping a commercial gym or home workout space, CPU Urethane Dumbbells are built to withstand high volume usage. The steel handle and weight head are precision machined and welded together for maximum durability. AmStaff Fitness CPU urethane coating doesn't just withstand the rigors of daily use—it practically defies wear and tear, while also neutralizing any unpleasant odors.
The meticulously crafted knurled handle serves as an added layer of assurance, providing a secure, non-slip grip for every exercise—from isolated curls to complex compound movements. Our dumbbells are designed with versatility in mind, ensuring they adapt as your workout regimen evolves. Choose from a comprehensive range of weights, starting as low as 5lbs and extending all the way to 130lbs, all in precise 5lb increments. This granularity allows you to progressively challenge yourself without being limited by large weight jumps
Each set is sold in pairs in 5lb increments
*Dumbbell rack(s) not included.
- Urethane (CPU) Dumbbells Set 5 - 50lb
- Urethane (CPU) Dumbbells Set 55 - 75lb
- Urethane (CPU) Dumbbells Set 80 - 100lb
- Urethane (CPU) Dumbbells Set 105 - 130lb
Pairs well with

AmStaff Fitness Urethane (CPU) Dumbbell Sets

Built for Style, Made to Last
At Rtfond, quality comes first. Every cap and streetwear piece we offer is crafted with care, durable materials, and attention to detail that ensures your style doesn’t just look good—it lasts. We design our products to withstand everyday wear while keeping you comfortable and confident, so your look stays sharp no matter where the day takes you.
FAQs
Please read our FAQs page to find out more.
Do you ship internationally?
Currently, we only ship to the USA and Canada. Shipping is always free, with no hidden fees.
How long does delivery take?
USA: 2–5 business days
Canada: 5–10 business days
All orders are processed within 1–2 business days before shipping.
Can I return or exchange an item?
Yes, returns are accepted within 30 days of delivery. Return shipping is free, and no restocking fees apply.
For exchanges, simply return the item and place a new order for your preferred product.
What payment methods do you accept?
We accept American Express, Apple Pay, Diners Club, Discover, Mastercard, and Visa. All payments are processed securely.
How can I contact customer service?
You can reach us by:
- Email: support@rtfond.shop
- Phone: +1 302-402-2814
- Address: 7472 Portsville Rd, Laurel, Delaware 19956, United States
Our team is available Monday–Friday, 9:00 AM – 6:00 PM (EST).





