Marcy Magnetic Recumbent Exercise Bike with 8 Resistance Levels
- Exercise Bike
- 300 pounds
- Battery
- 8
- More reviewed than 74%
A functional, quiet recumbent bike with a wide resistance range for the price, best suited to average-height users since taller riders have reported seat and knee positioning issues.
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How it ranks among the 94 exercise bikes we track
4.3★ across 2,700 Amazon ratings, Bayesian-smoothed toward the category average.
2,700 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 94 exercise bikes we track - how the scorecard works · full exercise bikes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 30, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Marcy NS-40502R is a magnetic recumbent exercise bike with 8 resistance levels set by a tension-control knob, a steel frame, an adjustable seat, and an LCD monitor tracking time, speed, distance and calories.
This is a budget recumbent bike aimed at home use rather than a commercial-grade unit, and reviewers' experiences track closely with how close to the bike's stated weight and height range they fall. Buyers around 250 lbs and average height report it holding up well over months of regular use, while at least one reviewer over 6 feet 5 inches found the seat would not extend far enough for comfortable knee position. Assembly is generally described as manageable with included tools, though the left pedal uses a reverse thread that has caught at least one buyer off guard.
- Steel frame with powder coating
- Tension-control knob for 8 resistance levels
- LCD monitor for time, speed, distance, calories
- Padded, ergonomic handles
Who it's for
Fits average-height users wanting a quiet, low-impact cardio bike for home with adjustable resistance from light rehab work up to a harder sweat. Not a good fit for taller riders, since at least one reviewer over 6 feet 5 inches found the seat position caused hip strain rather than helping their knees.
What buyers say
From Amazon customer reviews.
Reviewers around average height, including one user near 250 lbs, reported the bike holding up well with smooth, quiet magnetic resistance across its 8 levels. Recurring complaints include a rider over 6 feet 5 inches whose knees and hips struggled with the seat's maximum extension, an LCD monitor that failed to track distance or calories on a couple of units, and a reverse-thread left pedal that surprised at least one buyer during assembly.
Strengths and trade-offs
Drawn from this product's published specifications.
- 8 resistance levels covering rehab-light to demanding effort
- Quiet magnetic resistance
- Adjustable seat position
- Ships with tools needed for assembly
- Seat may not extend far enough for riders over about 6 feet
- LCD distance and calorie tracking unreliable on some units
- Left pedal uses a reverse thread that can confuse assembly
Performance notes
The magnetic resistance runs across 8 levels via a tension knob, with reviewers describing level 1 as easy enough for rehab-level effort and levels 4 through 8 as progressively harder, up to a level one reviewer called suited to experienced lifters. The seat slides to adjust leg extension, but a rider over 6 feet 5 inches found even the seat's furthest-back position left insufficient knee extension, causing hip strain instead of relief. The LCD monitor tracks time, speed, distance and calories, though a couple of reviewers said the distance and calorie readout never registered correctly on their unit.
Specifications
| Brand | Marcy |
|---|---|
| Model | NS-40502R |
| Dimensions & fit | |
| Maximum Weight Recommendation | 300 pounds |
| Item Weight | 63.1 pounds |
| Minimum Height | 27 inches |
| Maximum Height | 43.5 inches |
| Item Dimensions D x W x H | 56 × 25 × 44 inches |
| Power & efficiency | |
| Power Source | Battery |
| Construction & materials | |
| Material | Alloy Steel |
| Handle Material | Rubber |
| Color | Grey |
| Other details | |
| Number of Resistance Levels | 8 |
| Recommended Uses For Product | Indoor |
| Resistance Mechanism | Magnetic |
| Special Features | Adjustable Seat, Heavy Duty |
| Part Number | NS-40502R |
| Drive System | Belt |
| Assembly Instructions Description | Included |
Other Marcy exercise bikes
How it compares
This product against the closest alternatives we track in exercise bikes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Marcy Magnetic Recumbent Exercise Bike with 8 Resistance LevelsThis product | 4.3 / 5 | 2,700 | 4.1 / 5 |
| YOSUDA Exercise BikeYOSUDA | 4.4 / 5 | 25,034 | 4.5 / 5 |
| leikefitness LEIKE X Bike Ultra-Quiet Folding Exercise Bikeleikefitness | 4.4 / 5 | 6,700 | 4.5 / 5 |
| Sunny Health & Fitness Magnetic Exercise BikeSunny | 4.5 / 5 | 3,500 | 4.5 / 5 |
| Exerpeutic Foldable Exercise BikeExerpeutic | 4.6 / 5 | 23,100 | 4.4 / 5 |
Similar exercise bikes from other brands
Questions about the Marcy NS-40502R
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is the Marcy NS-40502R suitable for taller riders?
Reviewers report mixed results; at least one rider over 6 feet 5 inches found the seat would not extend far enough for comfortable knee position, even at its furthest setting.
How many resistance levels does this bike have?
It has 8 magnetic resistance levels adjusted with a tension-control knob.
Does the LCD monitor track distance and calories accurately?
Results vary by unit; some reviewers say it works fine while others report the distance and calorie readout never registered correctly.