"Simple assembly, quick breakdown, fits my need to exercise anytime, the materials feel great!"— Brandon

Adjustable U-Arm Twister Arm Trainer

60-110lb Adjustable Resistance
Portable
6+ Muscle Groups Activation
This adjustable twister arm trainer​ offers a U-shaped design and 60-110lbs resistance. The portable design ensures you can do arm-twister exercises anywhere.
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2 Years Warranty 2 Years Warranty
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Model: Classic

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Unlike traditional fitness equipment, this machine plays several roles as your workout partners:

3-Level Adjustable Twister Arm Trainer

This adjustable twister arm trainer​ allows you to customize the resistance from 60 to 110 lbs, making it ideal for all fitness levels looking to enhance their upper body strength.

Ultra-Portable Arm Trainer

Designed for convenience, this twister arm exerciser features a folding structure, along with a durable leather carrying case, making it perfect for home gyms, offices, or outdoor arm twister exercises.

Professional Adjustable Arm Functional Trainer

Built with high-strength metal springs and ergonomic foam handles, this twister arm trainer provides both comfort and long-lasting durability, delivering superior comfort and anti-slip control.

Customer Reviews

Based on 48 reviews
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K
Kael
Solid Resistance That Feels Like Real Gym Gear

Honestly, I didn’t expect this thing to pack such a punch. The metal spring gives a tight, even resistance — none of that floppy, rubber-band nonsense. I started on the lower end just to nail the movement, and within a few weeks I was bumping up the setting and actually seeing progress. It’s great as a warm-up before weights or as a standalone session when I’m short on time. Feels like gym-level resistance without hauling plates around.

V
Vale
Resistance You Can Actually Grow With

The 60–110 lbs range is legit — you can start light and keep progressing without outgrowing it. The resistance steps are sensible and the knob locks in so you don’t get surprise jumps mid-set. Over a few weeks I moved from the low end into the mid-high settings and felt real strength gains. Great for people who want a single portable tool that scales with progress.

S
Sarah
Affordable Without Compromising Quality

The value is outstanding. For such high-quality resistance training, the price is amazing. I’ve tried other similar products, but this one feels more durable and offers a smoother workout experience. Great investment for anyone looking for a reliable, affordable resistance trainer.

R
Ryan
Portable, Practical, and Surprisingly Intense

I bought this thinking it would just be a light travel companion for days I can’t get to the gym, but it’s turned into my go-to upper body trainer. The resistance settings are no joke—even at 60 pounds, you’ll feel the burn. It comes apart so easily that I can toss it into a backpack, and it reassembles in under a minute. I’ve used it in hotel rooms, in the park, and even during lunch breaks in my car (yes, it’s possible). For something so portable, it really works all the major muscle groups—chest, arms, back, and core—without feeling flimsy or gimmicky.

M
Michael
Compact Powerhouse for Full-Body Workouts

I’ve been traveling a lot lately for work, and I needed something I could bring with me that wouldn’t just collect dust in my suitcase. This Merach chest trainer surprised me—when it’s taken apart, it barely takes up more space than a pair of shoes, but once assembled, it feels like serious gym equipment. The steel spring core gives smooth, consistent resistance, and the foam grips make longer sessions comfortable. I use it in hotel rooms, in my backyard, and even at my desk when I need a break from the screen. It’s rare to find something portable that doesn’t compromise on build quality or workout intensity, but this one nailed it.