
Best for a lifetime frame
Horizon 5.0R
FitScore for Exercise Bike For Heavy People
- ResistanceMagnetic, 100 levels
- Max user weight350 lb
- Warrantylifetime frame, 1 year p…
- Product weight123 lb
Choose it if you want the longest frame warranty, 100 resistance levels and a heavier, steadier flywheel under a 350-lb rating.

Best for moving around
Sunny Health & Fitness SF-RB424002
FitScore for Exercise Bike For Heavy People
- ResistanceMagnetic, 15 levels
- Max user weight350 lb
- Warranty3 year frame, 6 months p…
- Product weight86.4 lb
Choose it if you want a shorter frame, transport wheels, the free SunnyFit app and a bike that is easier to move at 86.4 lb.
Overall winner for heavier riders: Horizon 5.0R, by 10.6 points (72.1 against 61.5) with the weights of our best exercise bike for heavy people guide. It leads on durability and performance. The Sunny Health & Fitness SF-RB424002 leads on comfort, features, affordability and practicality.
Horizon 5.0R wins 2 rounds
Sunny Health & Fitness SF-RB424002 wins 3 rounds
Product photos from Amazon. FitScore weights are explained below.
Horizon 5.0R vs Sunny SF-RB424002: both recumbents are rated for 350 lb. The Horizon adds 100 magnetic levels, a 15.4-lb flywheel and a lifetime frame warranty; the Sunny is shorter, lighter and rolls on wheels. Our FitScore for heavier riders clearly favors the Horizon.
Head-to-Head Specs
Here are the two side by side. A check mark shows the stronger spec on each line. Check both warranties before you order: the FTC explains how to read a product warranty. The CDC recommends that adults get at least 150 minutes of moderate-intensity aerobic activity a week, which steady cycling counts toward. Harvard Health Publishing lists about 252 calories in 30 minutes of moderate stationary cycling for a 155 lb person.
| Specification | ||
|---|---|---|
| Type | Recumbent | Recumbent |
| Resistance | Magnetic, 100 levels✓ | Magnetic, 15 levels |
| Flywheel | 15.4 lb✓ | 11 lb |
| Max user weight | 350 lb | 350 lb |
| Size (length × width) | 66 × 25.2 in | 53.7 × 24.8 in |
| Product weight | 123 lb | 86.4 lb✓ |
| Rider fit | Not stated | Inseam 28.7-36.6 in |
| Seat and handlebar | 4-way seat | sliding seat |
| Console and programs | 5 programs✓ | Basic LCD console (programs not stated) |
| Bluetooth and apps | Bluetooth | Bluetooth, SunnyFit (free) |
| Heart rate | Pulse grips | Pulse grips |
| Membership | Not stated | None needed |
| Storage and moving | No transport wheels listed, 123 lb | Transport wheels, 86.4 lb |
| Warranty | lifetime frame, 1 year parts✓ | 3 year frame, 6 months parts |
| Specs won | 4 of 14 | 1 of 14 |
Check Amazon for current pricing and availability.
FitScore Duel
Both scores use the weights of our best exercise bike for heavy people guide (how we score). Durability (45%) counts most, then performance and comfort (15% each), features and affordability (10% each) and practicality (5%). The Horizon 5.0R ranks #1 in that guide. The Sunny Health & Fitness SF-RB424002 ranks #2 in that guide. The order flips with other weights: in our best folding exercise bike guide the Sunny Health & Fitness SF-RB424002 scores 58.9 against 55.7 for the Horizon 5.0R.
Key Differences
- Resistance: Magnetic, 100 levels on the Horizon 5.0R; Magnetic, 15 levels on the Sunny Health & Fitness SF-RB424002.
- Flywheel: 15.4 lb on the Horizon 5.0R; 11 lb on the Sunny Health & Fitness SF-RB424002.
- Size (length × width): 66 × 25.2 in on the Horizon 5.0R; 53.7 × 24.8 in on the Sunny Health & Fitness SF-RB424002.
- Product weight: 123 lb on the Horizon 5.0R; 86.4 lb on the Sunny Health & Fitness SF-RB424002.
- Rider fit: not stated on the Horizon 5.0R; Inseam 28.7-36.6 in on the Sunny Health & Fitness SF-RB424002.
- Seat and handlebar: 4-way seat on the Horizon 5.0R; sliding seat on the Sunny Health & Fitness SF-RB424002.
- Console and programs: 5 programs on the Horizon 5.0R; Basic LCD console (programs not stated) on the Sunny Health & Fitness SF-RB424002.
- Bluetooth and apps: Bluetooth on the Horizon 5.0R; Bluetooth, SunnyFit (free) on the Sunny Health & Fitness SF-RB424002.

Round 1 of 5
Horizon 5.0R vs Sunny SF-RB424002: Resistance and Flywheel
Horizon 5.0R wins this round
Here is how the two compare on the work the machine does.
Resistance: Magnetic, 100 levels on the Horizon 5.0R, Magnetic, 15 levels on the Sunny Health & Fitness SF-RB424002.
Flywheel: 15.4 lb on the Horizon 5.0R, 11 lb on the Sunny Health & Fitness SF-RB424002.
Performance score in this comparison: Horizon 5.0R 78, Sunny Health & Fitness SF-RB424002 56.
Round 2 of 5
Capacity, Frame and Warranty
Horizon 5.0R wins this round
Max user weight: both list 350 lb.
Warranty: lifetime frame, 1 year parts on the Horizon 5.0R, 3 year frame, 6 months parts on the Sunny Health & Fitness SF-RB424002.
Both carry the same 350-lb rating, so the frame warranty is the clearest stated difference in build: lifetime on the Horizon, 3 years on the Sunny.
Durability score in this comparison: Horizon 5.0R 87.3, Sunny Health & Fitness SF-RB424002 62.14.
Round 3 of 5
Fit and Riding Position
Sunny Health & Fitness SF-RB424002 wins this round
Type: both list recumbent.
Rider fit: Inseam 28.7-36.6 in on the Sunny Health & Fitness SF-RB424002; not stated on the Horizon 5.0R.
Seat and handlebar: 4-way seat on the Horizon 5.0R, sliding seat on the Sunny Health & Fitness SF-RB424002.
Comfort score in this comparison: Horizon 5.0R 74, Sunny Health & Fitness SF-RB424002 81.
Round 4 of 5
Size, Weight and Moving
Sunny Health & Fitness SF-RB424002 wins this round
Size (length × width): 66 × 25.2 in on the Horizon 5.0R, 53.7 × 24.8 in on the Sunny Health & Fitness SF-RB424002.
Product weight: 123 lb on the Horizon 5.0R, 86.4 lb on the Sunny Health & Fitness SF-RB424002.
Storage and moving: No transport wheels listed, 123 lb on the Horizon 5.0R, Transport wheels, 86.4 lb on the Sunny Health & Fitness SF-RB424002.
Practicality score in this comparison: Horizon 5.0R 23, Sunny Health & Fitness SF-RB424002 49.
Round 5 of 5
Console, Apps and Extras
Sunny Health & Fitness SF-RB424002 wins this round
Console and programs: 5 programs on the Horizon 5.0R, Basic LCD console (programs not stated) on the Sunny Health & Fitness SF-RB424002.
Bluetooth and apps: Bluetooth on the Horizon 5.0R, Bluetooth, SunnyFit (free) on the Sunny Health & Fitness SF-RB424002.
Heart rate: both list pulse grips.
Features score in this comparison: Horizon 5.0R 31, Sunny Health & Fitness SF-RB424002 35.
Who Should Buy Each
Heavier riders who want the sturdiest frame
Pick the Horizon 5.0R if the frame warranty and fine resistance steps matter most; owners find it comfortable, sturdy and quiet.
Heavier riders short on space
Pick the Sunny SF-RB424002 if the bike has to roll aside after each ride; owners call it solid and quiet, and older riders say it is easy to pedal.
Consider Instead

JOROTO JH50
If neither fits, look at the JOROTO JH50: it offers a higher affordability and practicality score than the Horizon 5.0R. It ranks #3 in our best exercise bike for heavy people guide.
Final Verdict
Overall winner for heavier riders: Horizon 5.0R. Pick the Horizon 5.0R for the lifetime frame and the wider resistance range; pick the Sunny SF-RB424002 for a shorter, lighter bike on wheels with a free app.
Horizon 5.0R vs Sunny Health & Fitness SF-RB424002 FAQ
With the weights of our best exercise bike for heavy people guide, the Horizon 5.0R scores higher: 72.1 against 61.5. It leads on durability and performance, while the Sunny Health & Fitness SF-RB424002 leads on comfort, features, affordability and practicality.
Yes. Both are rated for 350 lb and both are recumbents with a backrest, which spreads your weight over a wider seat.
The Sunny. It weighs 86.4 lb and has transport wheels; the Horizon weighs 123 lb.
Yes. Both have Bluetooth, and the Sunny uses the free SunnyFit app with no membership needed.
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