PowerFlex™ Arm Trainer | Adjustable 10-200kg Resistance & Strong Grip
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- I'm very happy with itI'm very happy with it. Read original review ↗
- Excellent company and products!Excellent company and products! Read original review ↗
- Good serviceGood service, a quick and friendly response to my question, and fast delivery. Read original review ↗
- Everything I ordered is goodEverything I ordered is good. Read original review ↗
- Excellent serviceExcellent service. It's a pleasure ordering from this company! Read original review ↗
- Fast shippingFast shipping and very good service. Read original review ↗
- Joni19Good, attractive products at a good price. I'm very happy with them! Read original review ↗
- This is the place to shop!Great website, quick delivery. Questions answred promptly. Product of great quality. Read original review ↗
- Tracking efficiencyTracking efficiency. The quality of the material is also as described in the picture Read original review ↗
- Excellent communicationExcellent communication, quick and smooth, a good product, and good documentation (instructions). Very customer-friendly responses!!! Bravo. Read original review ↗
- Fast and safe deliveryFast and safe delivery. The device works exactly as described. Read original review ↗
- Everything as expectedEverything as expected, 5 Star Thank you Read original review ↗
- Everything went okayEverything went okay, delivery was quite fast. Im very satisfied with the product. Read original review ↗
Reviews about Middo – Our 5-star reviews
Build Serious Upper-Body Strength From Home
Home workouts often stall when bulky machines eat your space and fixed weights make real progress hard to track. The PowerFlex™ Arm Trainer fixes that. With adjustable hydraulic resistance from 10 to 200 kg (440.9 lb), you train your chest, arms, shoulders, and back with precision, no rack and no clutter, entirely at your own level.
Smooth Resistance for Better Results
What sets this trainer apart is its consistent, controlled resistance. The fully sealed hydraulic system prevents jerky motion and sudden kickback, so every rep feels steady and safe. The result is more focus on your chest, arms, shoulders, and back. Turn the dial and the load adjusts instantly to match your set.
Solid Build With Maximum Grip
The reinforced carbon-steel frame feels solid and dependable from the first rep. Its stable triangular structure keeps every movement controlled, even under heavy resistance. Ergonomic non-slip handles stay secure in your hands through your toughest sets, so nothing shifts when you push hard.

Compact, Versatile, and Ready Anywhere
No more oversized gym equipment. The PowerFlex™ Arm Trainer is compact, portable, and ready to use wherever you are, at home, at the office, or on the road. It suits beginners building a foundation and experienced lifters who want to seriously increase their strength.

Product specifications
Resistance: steplessly adjustable from 10 to 200 kg (440.9 lb)
Resistance system: fully sealed hydraulic cylinder
Frame material: reinforced carbon steel
Construction: stable triangular structure
Handles: ergonomic and non-slip
Targets: chest, arms, shoulders, and back
Format: compact and foldable
Suitable for: beginners and advanced users
Use location: home, office, or on the go

Frequently asked questions about the PowerFlex™ Arm Trainer
Which muscle groups does the PowerFlex™ Arm Trainer target?
Mainly the chest, arms, shoulders, and upper back. By using different angles and grips, you can train several muscle groups effectively in one session.
Is the resistance truly adjustable?
Yes. The resistance is steplessly adjustable from 10 to 200 kg (440.9 lb) using the dial, so you can fine-tune the load to your exact level.
Is the device safe to use?
Yes. The hydraulic system and stable construction deliver controlled, safe movements with no sudden kickback.
Is it suitable for beginners?
Absolutely. You start light and build up gradually as you get stronger.
How do I maintain the trainer?
Wipe it down with a dry cloth and store it in a dry place. The hydraulic system is sealed and low-maintenance.

Your order makes a difference: help us reach $1,000 for UNICEF
Millions of children worldwide need support, and every Middo order brings us closer to our $1,000 goal for UNICEF, funding children’s health, safety and wellbeing. We’ve done it before: Middo has already donated $1,000 to charity. Together with you, we’ll get there again. ❤️ Every order counts.






















