Best for build and weight rating
Horizon 5.0R
FitScore for Recumbent Bike
- ResistanceMagnetic, 100 levels
- Max user weight350 lb
- Warrantylifetime frame, 1 year p…
- Product weight123 lb
Choose it if you want the finest resistance steps, a heavier flywheel, a 350-lb rating and a lifetime frame warranty, and have room for a 66-inch bike.
Best for programs and easy moving
Sunny Health & Fitness SF-RB4850SMART
FitScore for Recumbent Bike
- ResistanceMagnetic, 16 levels
- Max user weight300 lb
- Warranty3 year frame, 6 months p…
- Product weight55 lb
Choose it if you want 24 built-in programs, the free SunnyFit app, transport wheels and a bike that is easy to move.
Overall winner for most recumbent bike buyers: Horizon 5.0R, by 2.5 points (69.5 against 67) with the weights of our best recumbent bike guide. It leads on durability and performance. The Sunny Health & Fitness SF-RB4850SMART leads on comfort, features and practicality.
Horizon 5.0R wins 2 rounds- Sunny Health & Fitness SF-RB4850SMART wins 3 rounds
Product photos from Amazon. FitScore weights are explained below.
Horizon 5.0R vs Sunny SF-RB4850SMART: the Horizon has 100 magnetic levels, a 15.4-lb flywheel, a 350-lb rating and a lifetime frame warranty, while the Sunny has 24 programs, a free app, transport wheels and a lighter frame. Our FitScore favors the Horizon for most recumbent bike buyers.
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 | Horizon 5.0RFitScore 69.5 | Sunny Health & Fitness SF-RB4850SMARTFitScore 67 |
|---|---|---|
| Type | Recumbent | Recumbent |
| Resistance | Magnetic, 100 levels✓ | Magnetic, 16 levels |
| Flywheel | 15.4 lb✓ | 6.6 lb |
| Max user weight | 350 lb✓ | 300 lb |
| Size (length × width) | 66 × 25.2 in | 61.81 × 25.98 in |
| Product weight | 123 lb | 55 lb✓ |
| Rider fit | Not stated | Inseam 29.9-39.4 in |
| Seat and handlebar | 4-way seat | sliding seat |
| Console and programs | 5 programs | 24 programs✓ |
| 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, 55 lb |
| Warranty | lifetime frame, 1 year parts✓ | 3 year frame, 6 months parts |
| Specs won | 4 of 14 | 2 of 14 |
Check Amazon for current pricing and availability.
FitScore Duel
Both scores use the weights of our best recumbent bike guide (how we score). Comfort (35%) counts most, then durability (25%), performance (15%), features and affordability (10% each) and practicality (5%). The Horizon 5.0R ranks #1 in that guide. The Sunny Health & Fitness SF-RB4850SMART ranks #2 in that guide. The order flips with other weights: in our best folding exercise bike guide the Sunny Health & Fitness SF-RB4850SMART scores 60.7 against 55.7 for the Horizon 5.0R.
Key Differences
- Resistance: Magnetic, 100 levels on the Horizon 5.0R; Magnetic, 16 levels on the Sunny Health & Fitness SF-RB4850SMART.
- Flywheel: 15.4 lb on the Horizon 5.0R; 6.6 lb on the Sunny Health & Fitness SF-RB4850SMART.
- Max user weight: 350 lb on the Horizon 5.0R; 300 lb on the Sunny Health & Fitness SF-RB4850SMART.
- Size (length × width): 66 × 25.2 in on the Horizon 5.0R; 61.81 × 25.98 in on the Sunny Health & Fitness SF-RB4850SMART.
- Product weight: 123 lb on the Horizon 5.0R; 55 lb on the Sunny Health & Fitness SF-RB4850SMART.
- Rider fit: not stated on the Horizon 5.0R; Inseam 29.9-39.4 in on the Sunny Health & Fitness SF-RB4850SMART.
- Seat and handlebar: 4-way seat on the Horizon 5.0R; sliding seat on the Sunny Health & Fitness SF-RB4850SMART.
- Console and programs: 5 programs on the Horizon 5.0R; 24 programs on the Sunny Health & Fitness SF-RB4850SMART.
Round 1 of 5
Horizon 5.0R vs Sunny SF-RB4850SMART: 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, 16 levels on the Sunny Health & Fitness SF-RB4850SMART.
Flywheel: 15.4 lb on the Horizon 5.0R, 6.6 lb on the Sunny Health & Fitness SF-RB4850SMART.
Performance score in this comparison: Horizon 5.0R 78, Sunny Health & Fitness SF-RB4850SMART 56.
Round 2 of 5
Capacity, Frame and Warranty
Horizon 5.0R wins this round
Capacity and warranty are the stated measures of build.
Max user weight: 350 lb on the Horizon 5.0R, 300 lb on the Sunny Health & Fitness SF-RB4850SMART.
Warranty: lifetime frame, 1 year parts on the Horizon 5.0R, 3 year frame, 6 months parts on the Sunny Health & Fitness SF-RB4850SMART.
Durability score in this comparison: Horizon 5.0R 87.3, Sunny Health & Fitness SF-RB4850SMART 54.94.
Round 3 of 5
Fit and Riding Position
Sunny Health & Fitness SF-RB4850SMART wins this round
Type: both list recumbent.
Rider fit: Inseam 29.9-39.4 in on the Sunny Health & Fitness SF-RB4850SMART; not stated on the Horizon 5.0R.
The Sunny lists an inseam range of about 30 to 39 inches; the Horizon states no rider height or inseam range, so measure your leg against its seat travel.
Comfort score in this comparison: Horizon 5.0R 74, Sunny Health & Fitness SF-RB4850SMART 88.
Round 4 of 5
Size, Weight and Moving
Sunny Health & Fitness SF-RB4850SMART wins this round
Size (length × width): 66 × 25.2 in on the Horizon 5.0R, 61.81 × 25.98 in on the Sunny Health & Fitness SF-RB4850SMART.
Product weight: 123 lb on the Horizon 5.0R, 55 lb on the Sunny Health & Fitness SF-RB4850SMART.
Storage and moving: No transport wheels listed, 123 lb on the Horizon 5.0R, Transport wheels, 55 lb on the Sunny Health & Fitness SF-RB4850SMART.
Practicality score in this comparison: Horizon 5.0R 23, Sunny Health & Fitness SF-RB4850SMART 56.
Round 5 of 5
Console, Apps and Extras
Sunny Health & Fitness SF-RB4850SMART wins this round
Console and programs: 5 programs on the Horizon 5.0R, 24 programs on the Sunny Health & Fitness SF-RB4850SMART.
Bluetooth and apps: Bluetooth on the Horizon 5.0R, Bluetooth, SunnyFit (free) on the Sunny Health & Fitness SF-RB4850SMART.
Heart rate: both list pulse grips.
Features score in this comparison: Horizon 5.0R 31, Sunny Health & Fitness SF-RB4850SMART 55.
Who Should Buy Each
Heavier riders and long-term owners
Pick the Horizon 5.0R if the weight rating, the smooth 100-step resistance and the frame warranty matter more than the console, and a 123-lb bike is acceptable.
Riders who want programs and an easy-to-move bike
Pick the Sunny SF-RB4850SMART if you want programs and an app out of the box, a listed inseam range and wheels to roll the bike aside, and a 300-lb rating is enough.
Consider Instead
Sunny Health & Fitness SF-RB424006
If neither fits, look at the Sunny Health & Fitness SF-RB424006: it offers a higher comfort and features score than the Horizon 5.0R. It ranks #3 in our best recumbent bike guide.
Final Verdict
Overall winner for most recumbent bike buyers: Horizon 5.0R. Pick the Horizon 5.0R for resistance range, flywheel, weight rating and frame warranty; pick the Sunny SF-RB4850SMART for programs, the free app and a lighter, wheeled frame.
Horizon 5.0R vs Sunny Health & Fitness SF-RB4850SMART FAQ
With the weights of our best recumbent bike guide, the Horizon 5.0R scores higher: 69.5 against 67. It leads on durability and performance, while the Sunny Health & Fitness SF-RB4850SMART leads on comfort, features and practicality.
The Horizon 5.0R: it is rated for 350 lb, against 300 lb for the Sunny.
The Sunny states none is needed and uses the free SunnyFit app. The Horizon does not state a membership requirement, and it has its own console.
The Sunny: it has transport wheels and a lighter listed weight, while the Horizon has no wheels listed and weighs 123 lb.
Explore More Exercise Bike Guides
Horizon 5.0R Review
Sunny Health & Fitness SF-RB4850SMART Review
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