Sunny Health & Fitness SF-B1805 Magnetic Bike
The budget magnetic champion. Sunny's SF-B1805 offers smooth magnetic resistance and 44 lb flywheel at a fraction of premium prices—the best cheap spin bike available.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Feb 1, 2026 and are subject to change; the merchant's price at purchase applies.
Our Verdict
Budget magnetic champion with 44 lb flywheel and quiet operation. Great for basic spin workouts without connected fitness overhead.
Score Breakdown
Pros & Cons
Pros
- •Very affordable
- •Magnetic resistance (quiet)
- •44 lb flywheel
- •Supports heavy users (275 lbs)
- •Caged pedals included
Cons
- •Basic console
- •No app connectivity
- •Assembly quality varies
- •No live metrics
Specifications
| Resistance | Magnetic |
| Flywheel | 44 lbs |
| Pedals | Caged |
| Max User | 275 lbs |
| Dimensions | 46" x 20" |
Quick Answers
What is the resistance of the Sunny Health & Fitness SF-B1805 Magnetic Bike?
Sunny Health & Fitness SF-B1805 Magnetic Bike resistance: Magnetic.
What is the flywheel of the Sunny Health & Fitness SF-B1805 Magnetic Bike?
Sunny Health & Fitness SF-B1805 Magnetic Bike flywheel: 44 lbs.
What is the pedals of the Sunny Health & Fitness SF-B1805 Magnetic Bike?
Sunny Health & Fitness SF-B1805 Magnetic Bike pedals: Caged.
What is the max user of the Sunny Health & Fitness SF-B1805 Magnetic Bike?
Sunny Health & Fitness SF-B1805 Magnetic Bike max user: 275 lbs.
What is the dimensions of the Sunny Health & Fitness SF-B1805 Magnetic Bike?
Sunny Health & Fitness SF-B1805 Magnetic Bike dimensions: 46" x 20".
How much does the Sunny Health & Fitness SF-B1805 Magnetic Bike cost?
The Sunny Health & Fitness SF-B1805 Magnetic Bike lists at $399 at Amazon as of February 1, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Sunny Health & Fitness SF-B1805 Magnetic Bike for?
It suits budget home gyms, basic spin workouts, apartment dwellers (quiet). It is not the right pick for connected fitness needs, data-driven trainers, premium experience seekers.
Is the Sunny Health & Fitness SF-B1805 Magnetic Bike worth buying?
The budget magnetic champion. Sunny's SF-B1805 offers smooth magnetic resistance and 44 lb flywheel at a fraction of premium prices—the best cheap spin bike available. It ranks #4 in our Top 5 Exercise Bikes. Budget magnetic champion with 44 lb flywheel and quiet operation. Great for basic spin workouts without connected fitness overhead.
Who Is This For?
Best For
- Budget home gyms
- Basic spin workouts
- Apartment dwellers (quiet)
Not For
- Connected fitness needs
- Data-driven trainers
- Premium experience seekers
Where to Buy
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