MERACH MR-S04 Magnetic Under Desk Bike
- Maximum Weight Recommendation: 280 pounds
- Number of Resistance Levels: 16
- Power Source: Battery
- Color: Black & Blue
Last refreshed Jun 30, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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ASIN: B0BM4L4HV6Model: MR-S04Category: Exercise Bikes
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Overview
Compact magnetic-resistance pedal exerciser from MERACH for under-desk leg cycling or tabletop arm exercise, with 16 resistance levels, an LCD display, a floor mat, and MERACH app connectivity. Rated for users up to 280 pounds.
The quiet magnetic mechanism and stable footprint come up repeatedly as the reasons it works for that purpose, in contrast to noisier friction-based pedal exercisers.
- 16 levels of magnetic resistance
- LCD display for speed, time, distance, and calories
- Includes floor mat and carrying handle
- Rated for up to 280 pounds
Who it's for
Fits people doing physical therapy, recovering from surgery, or managing circulation issues who need low-impact pedaling while seated, plus desk workers wanting light activity during the day. Less suited to anyone wanting a serious cardio workout, since the resistance and range are built for rehab-level movement.
Pros and cons
- Quiet magnetic resistance suited to shared or office spaces
- Pedals forward and backward smoothly
- Accommodates larger feet and shoe sizes
Performance notes
It accommodates larger shoe sizes better than at least one competing pedal exerciser one reviewer had researched.
Specifications
| Brand | Under |
|---|---|
| Model | MR-S04 |
| Maximum Weight Recommendation | 280 poundslower than 72% of 51 exercise bikes |
| Number of Resistance Levels | 16 |
| Power Source | Battery |
| Color | Black & Blue |
| Unit Count | 1 |
Closest rivals on specs
Frequently asked questions
What is the weight capacity?
The listing states a 280 pound weight capacity.
Can it be used for arm exercises as well as legs?
Yes, it can sit on a table for arm work or on the floor for pedaling with a chair.