UKEEP Adjustable Dumbbell Set – 20 to 90 lbs, Converts to Barbell & Kettlebell

One set, a whole rack of weights. The UKEEP Adjustable Dumbbells replace stacks of fixed dumbbells - change the load in seconds and even convert to a barbell or kettlebells for total-body training.

Why you will love it

• One pair, every lift - 20 to 90 lb for every level and goal.
• 3 tools in 1 - dumbbells, barbell or kettlebells, your call.
• Swap and keep going - change weight in seconds, no breaks.
• A whole gym, compact - full weight range in one tidy set.

Specs

• Weight options: 20 / 30 / 40 / 55 / 60 / 70 / 80 / 90 lb
• Convertible 2-in-1 or 3-in-1 (dumbbell / barbell / kettlebell)
• Secure locking collars
• Sold as a pair

Shipping, returns & support

• 🚚 Free US shipping — arrives in about 4–8 business days with tracking.
• 🛡️ 30-Day Buyer Protection — full refund if your order doesn't arrive as described.
• 🔒 Secure checkout — encrypted payment, guest checkout, no account needed.
• 💬 US-based support — questions? Call +1 (307) 274-4057 or email [email protected].

Frequently asked questions

What weights can I set?
The set adjusts across 20 / 30 / 40 / 55 / 60 / 70 / 80 / 90 lb, so one pair covers every level and goal.

Can I use these as anything other than dumbbells?
Yes — they're convertible 2-in-1 or 3-in-1, so you can use them as dumbbells, a barbell or kettlebells.

Is this sold as a pair?
Yes, this set is sold as a pair with secure locking collars.

How long does shipping take?
Shipping is free within the US and typically arrives in 4–8 business days with tracking.

What if I need to return it?
You're covered by our 30-Day Buyer Protection — see our refund policy for full details.

How can I get help?
Our US-based team is happy to help — call +1 (307) 274-4057 or email [email protected].

Ready to feel the difference? Add it to your cart today.

Why choose SmartFlexora

We hand-pick gear that actually fits real life — practical, well-made and genuinely useful. Every order is backed by our 30-day Buyer Protection, free US shipping and friendly US-based support — so you can buy with confidence and focus on what really matters: feeling your best.