Product Overview
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Magnetic Resistance | Digital Monitor |
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Micro-Adjustable Resistance | 4-Way Adjustable Seat |
Cycle your way to fitness with the Sunny Health & Fitness SF-B1918 Indoor Cycling Bike with Magnetic Resistance. Slide your feet into the universal toe cages to maintain stability as you exercise. Enjoy ultimate flexibility with the 4-way adjustable seat and the adjustable ground levelers. Designed to accommodate a wide range of users, the stationary bike has a leg inseam range between 26.5 inches and 33 inches. Take advantage of the smooth belt-drive mechanism as you pedal against the 22 lb flywheel. Increase exercise intensity—or bring your workout to a swift stop— with the magnetic resistance which is controlled by an easy-to-use knob. Keep your workout data accessible when you check it on the included monitor. Track your time, speed, distance, calories burned, and rotations per minute. Control your in-workout entertainment when you place your phone or tablet onto the device holder. Crafted for enduring workouts, this cardio machine has a solid steel frame that can support up to 220 lb. After your workout, use the transportation wheels to easily move this magnetic cardio machine across your home.

Features
Digital MonitorEasily track your time, distance, speed, total calories burned, and rotations per minute on the battery-powered LCD monitor.

Device HOLDER
Improve your fitness experience by securely placing your phone or tablet in the tablet holder. Utilize this added accessory following along to fitness videos, or listening to your workout playlist. Whatever the use, you won’t be disappointed.

Non-Slip Handlebars
Help prevent calluses with the improved Sunny Health handlebars. Advanced ergonomic designed handlebars deliver a comfortable ride and allows for multiple hand positions. Padded and slip free to provide extra safety and ease.

MAGNETIC RESISTANCE
Bikes with magnetic resistance never come in contact with the flywheel, resulting in a silent, stable and virtually low maintenance experience. The closer the magnet the greater the resistance will be.

22 LB FLYWHEEL
The heavier the flywheel, the smoother the ride! Creating more momentum for longer periods of time keeps your workout going the distance. Sunny Health and Fitness' flywheel is second to none when it comes to feeling like you are really riding outdoors! No more jerky, out of control movements, regardless of speed or resistance level!

Emergency Stop Brake
The cycle bike trainer resistance system gives you the experience of a realistic, real-road feeling while the built in push down emergency brake will bring the bike to an immediate stop.

4-WAY ADJUSTABLE SEAT
The comfortable seat can be easily adjusted for height and proximity to handlebars. Easily adjust back and forth and/or up / down) for convenience and stability so your workout can remain comfortable when riding for long periods of time. Adjustable seating allows for multiple people in your household to use the equipment comfortably and efficiently. Having the correct seating adjustment is important to assure you won’t fall while giving it your all.

CAGEd PEDALS
Proper foot placement is essential to any biking workout! Ensure your feet are securely in the right place with Sunny Health and Fitness's added foot cage feature. Avoid foot slippage at increased levels of speed and intensity!

TRANSPORTION WHEELS
Making the transformation of your home into your own personal fitness studio is effortless with these convenient transport wheels. Simply tilt and roll out for use or away for storage, no need for heavy lifting or muscle strain. The wheels at the front of the unit allow the user to move their equipment around with ease, from room to room, or store it away out of sight.

Specifications
TECHNOLOGY
Digital monitor:• scan
• speed
• distance
• time
• calorie
• odometer
• RPM
22 lb flywheel
Adjustable magnetic resistance
Caged foot pedals
Smooth and reliable belt drive system
Device holder
COMFORT
Cushioned seatSeat dimensions: 11L x 10W x 3H in
Easy 4-way adjustable seat
2-way adjustable handlebars
Integrated transportation wheels for easy mobility
ENGINEERING
220 lb weight capacityHeavy duty crank system
Adjustable inseam: Min 26.5 in / Max 33
Handlebar to seat: Min 16 in/ Max 19 in
Emergency stop brake
CONVENIENCE
Warranty: 3 year structural frame 180 days other parts and componentsProduct weight: 63.3 lb
Product dimensions: 42.5L x 24W x 51.5H in
Ship weight: 71.9 lb
Ship dimensions: 38L x 9W x 32H in


Downloads
SF-B1918 Product User ManualFAQs
How do I get a copy of the owner's manual?The Product Manual may be downloaded below. If you have any questions, please feel free to contact our customer care team.
What is the benefit of a 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.
What is the maximum weight the bike will support?
Feel confident sitting on our durable design with a 220LB max user weight limit.
Does the bike provide feedback during my workout?
The digital monitor helps track time, speed, distance, calories, odometer.
Is the bike adjustable so that I can find a setting that feels comfortable to me?
Yes! The handlebars are 2-way adjustable (up and down) and the seat is 4-way adjustable (up, down, forward, backwards) for a fully customizable fit.
Am I too tall or short for this bike?
This bike can accommodate inseams between 26.5" and 33".
What type of pedals does this bike have?
This bike comes equipped with caged foot pedals that provide stability and safety.
Is the resistance in levels or continuous scale?
This bike comes with a micro-adjustable resistance knob so that even the slightest increase or decrease in resistance are smooth and customizable.
What is the warranty of my indoor cycle?
There is a 3-year warranty on the structural frame and 180-day warranty on other parts and components.

Due to national shipping delays, order delivery times may be impacted.
Please click here to read more about the NATIONWIDE SHIPPING DELAYS
Please contact us directly for an exact ETA of your delivery. Most of our products have a regular handling time between 3-5 business days Please allow 3-15 business days for delivery.
Freight Orders Include FREE Delivery Appointment.
Some of our heavier machines require more customization and are made-to-order in our supplier’s manufacturing plants in United States. Once completed, they are carefully
inspected at the Quality Center, after which they are shipped using freight shipping carriers.
We know that sometimes you have to wait a little longer to get your order but it's always worth it!
Please click here to read more about our Order Shipping & Delivery.
![]() |
Exchanges for damages: Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to info@barbellflex.com and we will process an insurance claim on your behalf. Be advised that most of our suppliers request you (the buyer) to pay for shipping the item back to them for inspection for damaged returns or replacements. In some cases, we are able to waive the fee, however this is at the discretion of our supplier and on a one-time courtesy basis. The time it takes for your exchanged product to reach you will largely vary on your location. Should the item you return be over $75, we strongly encourage you to use a trackable shipping service with signature or shipping insurance! Note that we will not be able to provide replacements/refunds without photos of the damage. |
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Returns & Refunds: All new products purchased through BarbellFlex.com include a 30 Day Return Guarantee. Refunds will only be issued to the original credit card that you use when placing your order. Please click here to read more about our Returns & Exchanges. |
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We Put Our Customers First! Customer experience is our #1 priority. We understand that these products are available on other websites and we are very appreciative that you chose to do business with us. As such, we pride ourselves in providing a superior concierge sales and shopping experience to all of our customers, via email, phone, social media and live chat.
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Returns are easy, simply contact us to request a return for your item and we will work with you to get the process going. We'll get you a replacement or refund in a snap! Please check our Returns & Exchanges tab for more info! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. Our 100% Price Guarantee has some limitations. Please click here to read more about our Price Match Guarantee. |
|
![]() |
We thank you for your incredible service!. With gratitude, we partnered with GovX to offer a discount on our store to our military, their spouses & dependents, first responders, government employees and our wonderful teachers. Please click here to read more about our GovX ID Military Discount. |
|
![]() |
Ordering from Barbell Flex is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. We invested time and money to ensure our backend system is secure and robust. We care about your information as much as you do! |
Product Overview
![]() |
![]() |
Magnetic Resistance | Digital Monitor |
![]() |
![]() |
Micro-Adjustable Resistance | 4-Way Adjustable Seat |
Cycle your way to fitness with the Sunny Health & Fitness SF-B1918 Indoor Cycling Bike with Magnetic Resistance. Slide your feet into the universal toe cages to maintain stability as you exercise. Enjoy ultimate flexibility with the 4-way adjustable seat and the adjustable ground levelers. Designed to accommodate a wide range of users, the stationary bike has a leg inseam range between 26.5 inches and 33 inches. Take advantage of the smooth belt-drive mechanism as you pedal against the 22 lb flywheel. Increase exercise intensity—or bring your workout to a swift stop— with the magnetic resistance which is controlled by an easy-to-use knob. Keep your workout data accessible when you check it on the included monitor. Track your time, speed, distance, calories burned, and rotations per minute. Control your in-workout entertainment when you place your phone or tablet onto the device holder. Crafted for enduring workouts, this cardio machine has a solid steel frame that can support up to 220 lb. After your workout, use the transportation wheels to easily move this magnetic cardio machine across your home.

Features
Digital MonitorEasily track your time, distance, speed, total calories burned, and rotations per minute on the battery-powered LCD monitor.

Device HOLDER
Improve your fitness experience by securely placing your phone or tablet in the tablet holder. Utilize this added accessory following along to fitness videos, or listening to your workout playlist. Whatever the use, you won’t be disappointed.

Non-Slip Handlebars
Help prevent calluses with the improved Sunny Health handlebars. Advanced ergonomic designed handlebars deliver a comfortable ride and allows for multiple hand positions. Padded and slip free to provide extra safety and ease.

MAGNETIC RESISTANCE
Bikes with magnetic resistance never come in contact with the flywheel, resulting in a silent, stable and virtually low maintenance experience. The closer the magnet the greater the resistance will be.

22 LB FLYWHEEL
The heavier the flywheel, the smoother the ride! Creating more momentum for longer periods of time keeps your workout going the distance. Sunny Health and Fitness' flywheel is second to none when it comes to feeling like you are really riding outdoors! No more jerky, out of control movements, regardless of speed or resistance level!

Emergency Stop Brake
The cycle bike trainer resistance system gives you the experience of a realistic, real-road feeling while the built in push down emergency brake will bring the bike to an immediate stop.

4-WAY ADJUSTABLE SEAT
The comfortable seat can be easily adjusted for height and proximity to handlebars. Easily adjust back and forth and/or up / down) for convenience and stability so your workout can remain comfortable when riding for long periods of time. Adjustable seating allows for multiple people in your household to use the equipment comfortably and efficiently. Having the correct seating adjustment is important to assure you won’t fall while giving it your all.

CAGEd PEDALS
Proper foot placement is essential to any biking workout! Ensure your feet are securely in the right place with Sunny Health and Fitness's added foot cage feature. Avoid foot slippage at increased levels of speed and intensity!

TRANSPORTION WHEELS
Making the transformation of your home into your own personal fitness studio is effortless with these convenient transport wheels. Simply tilt and roll out for use or away for storage, no need for heavy lifting or muscle strain. The wheels at the front of the unit allow the user to move their equipment around with ease, from room to room, or store it away out of sight.

Specifications
TECHNOLOGY
Digital monitor:• scan
• speed
• distance
• time
• calorie
• odometer
• RPM
22 lb flywheel
Adjustable magnetic resistance
Caged foot pedals
Smooth and reliable belt drive system
Device holder
COMFORT
Cushioned seatSeat dimensions: 11L x 10W x 3H in
Easy 4-way adjustable seat
2-way adjustable handlebars
Integrated transportation wheels for easy mobility
ENGINEERING
220 lb weight capacityHeavy duty crank system
Adjustable inseam: Min 26.5 in / Max 33
Handlebar to seat: Min 16 in/ Max 19 in
Emergency stop brake
CONVENIENCE
Warranty: 3 year structural frame 180 days other parts and componentsProduct weight: 63.3 lb
Product dimensions: 42.5L x 24W x 51.5H in
Ship weight: 71.9 lb
Ship dimensions: 38L x 9W x 32H in


Downloads
SF-B1918 Product User ManualFAQs
How do I get a copy of the owner's manual?The Product Manual may be downloaded below. If you have any questions, please feel free to contact our customer care team.
What is the benefit of a 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.
What is the maximum weight the bike will support?
Feel confident sitting on our durable design with a 220LB max user weight limit.
Does the bike provide feedback during my workout?
The digital monitor helps track time, speed, distance, calories, odometer.
Is the bike adjustable so that I can find a setting that feels comfortable to me?
Yes! The handlebars are 2-way adjustable (up and down) and the seat is 4-way adjustable (up, down, forward, backwards) for a fully customizable fit.
Am I too tall or short for this bike?
This bike can accommodate inseams between 26.5" and 33".
What type of pedals does this bike have?
This bike comes equipped with caged foot pedals that provide stability and safety.
Is the resistance in levels or continuous scale?
This bike comes with a micro-adjustable resistance knob so that even the slightest increase or decrease in resistance are smooth and customizable.
What is the warranty of my indoor cycle?
There is a 3-year warranty on the structural frame and 180-day warranty on other parts and components.

Due to national shipping delays, order delivery times may be impacted.
Please click here to read more about the NATIONWIDE SHIPPING DELAYS
Please contact us directly for an exact ETA of your delivery. Most of our products have a regular handling time between 3-5 business days Please allow 3-15 business days for delivery.
Freight Orders Include FREE Delivery Appointment.
Some of our heavier machines require more customization and are made-to-order in our supplier’s manufacturing plants in United States. Once completed, they are carefully
inspected at the Quality Center, after which they are shipped using freight shipping carriers.
We know that sometimes you have to wait a little longer to get your order but it's always worth it!
Please click here to read more about our Order Shipping & Delivery.
![]() |
Exchanges for damages: Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to info@barbellflex.com and we will process an insurance claim on your behalf. Be advised that most of our suppliers request you (the buyer) to pay for shipping the item back to them for inspection for damaged returns or replacements. In some cases, we are able to waive the fee, however this is at the discretion of our supplier and on a one-time courtesy basis. The time it takes for your exchanged product to reach you will largely vary on your location. Should the item you return be over $75, we strongly encourage you to use a trackable shipping service with signature or shipping insurance! Note that we will not be able to provide replacements/refunds without photos of the damage. |
|
![]() |
Returns & Refunds: All new products purchased through BarbellFlex.com include a 30 Day Return Guarantee. Refunds will only be issued to the original credit card that you use when placing your order. Please click here to read more about our Returns & Exchanges. |
![]() |
We Put Our Customers First! Customer experience is our #1 priority. We understand that these products are available on other websites and we are very appreciative that you chose to do business with us. As such, we pride ourselves in providing a superior concierge sales and shopping experience to all of our customers, via email, phone, social media and live chat.
|
|
![]() |
Returns are easy, simply contact us to request a return for your item and we will work with you to get the process going. We'll get you a replacement or refund in a snap! Please check our Returns & Exchanges tab for more info! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. Our 100% Price Guarantee has some limitations. Please click here to read more about our Price Match Guarantee. |
|
![]() |
We thank you for your incredible service!. With gratitude, we partnered with GovX to offer a discount on our store to our military, their spouses & dependents, first responders, government employees and our wonderful teachers. Please click here to read more about our GovX ID Military Discount. |
|
![]() |
Ordering from Barbell Flex is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. We invested time and money to ensure our backend system is secure and robust. We care about your information as much as you do! |