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workout with our non-electric curved treadmill

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9.8
Expert ScoreRead review

Original price was: $1,399.00.Current price is: $699.00.

Price: $1,399.00 - $699.00
(as of Aug 09, 2025 07:46:33 UTC – Details)

Description

The RongLe QZD-103 is a self-powered, non-electric curved treadmill designed for an intuitive, high-intensity home workout. Its innovative design requires no assembly and folds for compact storage. You control the speed with your own stride, promoting a more natural running form and burning more calories. An integrated console tracks key metrics like speed, distance, and calories burned. While it offers a unique, motor-free experience, potential buyers should be aware of reported concerns regarding the quality and grip of the running surface. It's built to support users up to 300 lbs.

Product Details

  • Model: QZD-103
  • Type: Non-Electric, Self-Generated Curved Treadmill
  • Motor: None
  • Max Capacity: 300 LBS
  • Assembly: Not required (console connection only)
  • Display Metrics: Time, Distance, Speed, Calories, Total Mileage
  • Features: Folding design, phone/tablet holder, cup holder
  • Power Source: User-generated motion

Advantages

  • Energy Saving & Placement Freedom: Requires no electricity, so it can be placed anywhere without needing an outlet.
  • User-Controlled Workout: Speed is determined by your own effort, allowing for instant changes in pace and intensity.
  • Hassle-Free Setup: Arrives ready to use out of the box with no complex assembly required.
  • Space-Saving Storage: The new folding technology allows the treadmill to be stored away compactly.

Our Recommendations

This treadmill is suited for users curious about curved, non-motorized running who prioritize a low-cost entry point and zero assembly. Given the mixed feedback, we recommend it for lighter use, such as walking or slow jogging. Potential buyers should carefully consider the reported issues with track slippage and overall quality before purchasing, especially if intending it for intense or frequent running.

Conclusion

The RongLe QZD-103 Curved Treadmill presents an appealing concept: an affordable, assembly-free, self-powered running experience. Its design is convenient for home use. However, this convenience is significantly undermined by critical customer feedback pointing to poor quality and a dangerously slippery track. While the idea is strong, the execution appears to be flawed. We cannot recommend this product until the reported safety and quality control issues are addressed.

9.8Expert Score
Curved Treadmill, Curved Treadmills Home, Non-Electric Motorized Treadmill-300 LBS Capacity,No Assembly Required Self-Generated Curved Treadmill Exercise Treadmills
PROS
9.8
CONS
1.3
PROS
  • No Assembly RequiredNon-Electric OperationSelf-Paced Speed ControlCompact, Folding DesignIntegrated Console and Holders
CONS
  • Poor Build Quality ReportedSlippery Running Surface
  • Track May Slip During Use

8 reviews for workout with our non-electric curved treadmill

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  1. D

    Absolute piece of trash
    Do NOT buy this for $899. This is not worth $899. Instead keep an eye out on some chinese sellers selling this same exact item for $400-500 here on Amazon itself if you really wanna buy this.When you walk on this, your hands will get more exercise than your legs because you would be holding so tight onto the handrails as the belt is extremely slippery. I weigh 130 lbs and still when I walk, the belt slats cannot hold my weight and bend. As a result there is always a squeaking sound when I walk. I regret buying this and I wish I had spent more money and got the Walkolution 2 instead. This is absolute piece of trash.

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  2. Hector G Irizarry

    Fully assembled out of the box
    It was fully assembled. Except for a water bottle holder, which is not relevant to me. First review on arrival.—-Adding update:The belt has some resistance of about 500 Watts not adjutable. It may need lubricant or adjustment.

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  3. Lynn Fairlane

    Chinese made piece of junk
    Bought this to run. I was hoping to avoid the cost of a $2-4,000 manual treadmill, to run safely in doors. I cannot even walk on this thing without holding on because the track starts to slip from under your feet. I am returning it. If you are looking for a bargain, beware of this Chinese made piece of junk.

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  4. Cathy

    Bad
    Terrible and dangerous

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  5. Matthew Cook

    Takes getting use to, but a great workout
    I received this treadmill as a gift and after I got use to it I banged out a 5k on it to test it out. Not gunna lie, it kicked my ass. Don’t wear headphones while using this, play music on a speaker you really need to pay attention in the beginning. Great treadmill in my opinion.

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  6. K.C.

    Not for Seniors
    This treadmill is very hard to use, since there are NO Friction Pieces, so the running pad turns very quickly. I was unaware that this treadmill was for runners when I bought it, but even so, I can’t understand how anyone would safely run on a device that had no friction to maintain safe steadiness. Definitely not for seniors! Even my children in their 40’s had a hard time using it. When raising the front end to the highest point, the foot pad still spun too quickly, though we all still held onto the bars.

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  7. Candace M. Bodwell

    Disappointed
    Belt is too loose and too hard to keep in the center. Not the quality I expected.:(

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  8. David

    Great Treadmill so far
    I’ve had it for about a month and so far I’m really enjoying it. I’ve gone through a lot of treadmills in the past as I normally spend about 4-5 hours per day using it, and they’ve all broken down relatively quickly. I wanted to give this type of treadmill a try since there’s no motor to break down and it’s supposed to be no maintenance. There’s a slight learning curve as it’s quite different from a regular treadmill, but once you get used to it you don’t even think about it anymore.

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