Sunny Health & Fitness SF-E3865 Magnetic Elliptical Trainer
Whether you’re just getting started or looking to step up your home workout game, the Sunny Health & Fitness SF-E3865 Elliptical offers the performance and smart features typically found in high-end gym equipment — but in a compact, home-friendly design. The 20-inch stride and 44 lb flywheel deliver a smooth, natural motion, while the built-in programs and heart rate sensors ensure that each session is effective and safe.
With sturdy alloy steel construction, large non-slip foot pedals, and a digital performance monitor, the SF-E3865 is engineered to give you professional-level results at home. The integrated device holder and SunnyFit App compatibility enhance your workouts by allowing access to virtual coaching and fitness tracking.

Product Highlights & Features
✅ 20” Stride Length
Perfect for a natural and fluid full-body motion, ideal for users of most heights.
✅ Computer-Controlled Smart Resistance
Automatically adjusts resistance based on your heart rate to keep you in the optimal training zone.
✅ 44 lb Heavy-Duty Flywheel
Provides smooth and stable pedaling momentum for a gym-quality workout.
✅ 16 Levels of Magnetic Resistance
Customizable resistance levels to suit beginners to advanced users.
✅ 12 Built-In Workout Programs
Diverse training programs to match your fitness goals, whether it’s fat burn, endurance, or heart rate training.
✅ Pulse Sensors
Monitor your heart rate directly from the handlebars to stay within target zones.
✅ LCD Performance Monitor
Displays time, distance, RPM, speed, calories, watts, and more.
✅ Device & Bottle Holder
Stay entertained and hydrated during workouts with built-in holders for your tablet and water bottle.
✅ Floor Stabilizers & Transport Wheels
Easy to move, adjust, and stabilize on any surface for maximum safety and convenience.
✅ Low-Impact Workout
Smooth elliptical motion minimizes stress on joints while maximizing calorie burn.
Technical Specifications
| Feature | Description |
|---|---|
| Model Name | SF-E3865 |
| Brand | Sunny Health & Fitness |
| Color | Black |
| Material | Alloy Steel |
| Resistance Mechanism | Magnetic (Computer-Controlled) |
| Resistance Levels | 16 |
| Flywheel Weight | 44 lb |
| Stride Length | 20 inches |
| Max User Weight | 265 lb |
| Dimensions (L x W x H) | 30″ D x 68″ W x 66″ H |
| Item Weight | 65.3 kg (approx. 144 lbs) |
| Monitor Display | Time, Speed, Distance, RPM, Calories, HR |
| Programs | 12 Pre-set + 7 Manual Modes |
| Pulse Monitoring | Yes – Handlebar Sensors |
| Transport Wheels | Yes |
| Tablet Holder | Yes |
| Bottle Holder | Yes |
| Warranty | 3-Year Frame / 180 Days on Parts |
| Assembly Required | Yes (Tools Included) |
Final Verdict
The Sunny Health & Fitness SF-E3865 Magnetic Elliptical Trainer stands out as an affordable, feature-packed solution for home cardio training. With an emphasis on smart resistance control, durability, and smooth performance, it’s a great alternative to high-cost commercial ellipticals.
While assembly can be time-consuming and may require two people, the payoff is a high-quality, silent, and reliable elliptical that offers tremendous value. Whether you’re looking to lose weight, improve cardiovascular health, or boost endurance — this machine is designed to keep you moving toward your fitness goals with precision and comfort.
Highly recommended for home fitness enthusiasts seeking a commercial-grade experience without the commercial price tag.
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