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Kinetic Rear Flywheel Drive Indoor Cycling Bike

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Original Price $1,086.95
Current Price $899.95

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If you’re seeking the ultimate in indoor cycling workouts, then look no further than the Indoor Cycle Exercise Bike with Rear Flywheel - SF-B1852. This indoor cycling exercise bike comes full of features that will help you achieve the workouts and rides you’re looking for. Featuring a high inertia 40 LB rear-mounted flywheel with magnetic resistance, this high-performance stationary bike offers a smooth and intense riding experience.


Performance Monitor:

Advanced fitness metrics are tracked using the onboard digital monitor which displays Speed, Avg Speed, Max Speed, Cadence (RPM), Avg Cadence, Max Cadence, Distance, Calories, Race, Time, Target Time, Target Distance, and Pulse.


High Max Weight:

At 350 LB this indoor cycling exercise bike has one of the highest-rated max user weight capacities available on the market.


Rear Flywheel:

Having the flywheel positioned in the rear reduces the need for maintenance when compared to their front-positioned counterpart. The high inertia 40 LB flywheel is covered and protected from any potential obstructions or sweat that may wear down the flywheel.


Dual Pedal Types:

Strap in your preferred shoes or flip the pedal and clip in with your riding shoes. Clipless pedals maximize the power and efficiency of every pedal stroke and help you get the most out of your riding sessions.


Dumbbell Holder:

Incorporate an upper body workout into your routine using the included dumbbell holders. Total max weight: 32 LB (16 LB per dumbbell holder).


Heart Rate Monitor:

Keep your heart rate elevated and consistent for an effective and efficient workout. Integrated pulse sensors allow for a quick and convenient method to track this essential fitness metric.


Magnetic Resistance:

You will never have to change out a felt friction resistance pad ever again! The magnetic resistance brake is contactless with the flywheel resulting in a virtually maintenance-free experience with a silky smooth and quiet ride.


Device Holder:

Follow along to your favorite Sunny Health & Fitness training videos on your iPad, tablet, or other mobile devices.



Tailor the exercise bike to your unique riding positions and body dimensions. 4–way adjustable seat and 2-way adjustable handlebar allows for customizability for any user.


Bottle Holder:

The bottle holder keeps your favorite refreshing beverage of any size at arm’s reach, stay hydrated through your intense workouts.




  • Performance monitor: speed, avg speed, max speed, cadence, avg cadence, max cadence, distance (miles or kilometers), target distance, calorie, race, time, target time, pulse
  • 7 Level adjustable resistance
  • Caged/SPD compatible pedals
  • Ergonomic handlebars
  • Pulse sensors
  • Average cadence and max cadence
  • Device holder
  • Floor stabilizers


  • Cushioned seat
  • Seat dimensions: 10.6L x 7.1W x 2.8H in
  • Easy 4-way adjustable seat
  • 2-Way adjustable handlebars
  • Non-slip handles
  • Bottle holder
  • Dumbbell holders
  • Encased flywheel
  • Integrated transportation wheels for easy mobility


  • 350 lb weight capacity
  • 40 lb Premium kinetic rear flywheel
  • Adjustable magnetic resistance
  • Adjustable inseam height: Min 28 in/ Max 41 in
  • Handlebar to seat: Min 18 in/ Max 22.5 in
  • Belt drive
  • Rear-drive flywheel


  • Warranty: 3-year structural frame 180 days other parts and components
  • Product weight: 127.6 lb
  • Product dimensions: 56.3L x 21.9W x 50H in
  • Ship weight: 144 lb
  • Ship dimensions: 50.4L x 9.8W x 34.8H in

Frequently Asked Questions

What is the benefit of magnetic resistance?

Magnetic resistance uses magnets to add resistance which allows for smooth and quiet riding experience. Since it’s a magnetic brake and its pad doesn’t touch the flywheel, you won’t have to worry about wear and tear, replacement, or any friction-generated noise.

What are the benefits of belt-drive mechanism?

The durable belt drive provides smoother and silent pedaling and requires less maintenance.

Does the bike provide feedback during my workout?

The performance monitor helps track speed, avg speed, max speed, cadence, avg cadence, max cadence, distance, target distance, calorie, race, time, target time, and pulse.

What is the maximum weight the bike will support?

Feel confident sitting on our durable design with a 350 LB max user weight limit.

What is the benefit of having a heavy flywheel?

The 40 LBs premium kinetic flywheel offers a more realistic riding experience and ensures consistent momentum throughout your ride.

Is the bike adjustable so that I can find setting that feels comfortable to me?

Yes! The handlebars are 4-way adjustable (up, down, forward, backwards) for a fully customizable fit. While handlebars can be moved up or down.

What type of pedals does this bike have?

This bike comes equipped with dual caged/SPD foot pedals that provide stability and safety.

What is the warranty of my indoor cycle?

There is a 3-year warranty on the structural frame and a 180-day warranty on other parts and components.


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