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  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex
  • Image of Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor - Barbell Flex

Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor


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Your Price:
$459.95 $470.00

SF-B1421B
  • #1 Authorized Online Dealer for Sunny Health & Fitness
  • 30 Lb Flywheel
  • Digital Monitor
  • FREE SHIPPING: In Stock and Ready to Ship
  • Micro-Adjustable Resistance
  • Outstanding Customer Service & Shopping Experience
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Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor

Your Price:
$459.95 $470.00

Currently out of stock
resistance icon

Digital Monitor

sturdy frame icon

Micro-Adjustable Resistance

flywheel icon

30 lb Flywheel

seat icon

4-Way Adjustable Seat

features

The new standard in home fitness. Sunny Health & Fitness SF-B1421 Indoor Cycling Bike offers all of the necessities for an amazing cycling workout along with any and everything all at-home fitness enthusiasts could wish for. Exercising in the comfort of your own home has never been so easy, convenient, or fun. Its fully adjustable handlebars and high density padded seat offer a completely customizable experience for ultimate user experience and compatibility

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-monitor

Digital Monitor

Tracking your progress on the SF-B1421B is simple with the Digital Monitor screen! Exercising with your SF-B1421B screen display will showcase the distance and time to keep you focused to achieving any type of personal fitness goals. The convenient scan mode displays your progress to assist you in tracking all your fitness goals.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-flywheel

30 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!

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-resistance

Micro-Adjustable Resistance

The resistance system allows for various tension levels allowing you an intense workout thus burning more calories.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-handlebars

Non-Slip Handlebars

Help prevent calluses with Sunny Health & Fitness handlebars. Non-Slip handlebars offer comfort while enduring long rides. These easily adjustable and completely customizable handlebars provide comfort while enduring intense rides. 

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-seat

4-Way Adjustable Seat

With a simple twist of a knob, you can move back and forth (and up / down) so your workout can remain comfortable.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-wheels

Transportation 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 bike around with ease, from room to room, or store it away out of sight.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-fittings

FITTING & ADJUSTMENTS

The seat can be adjusted for height and proximity to handlebars for setting up your cycle bike, sizing and fitting.

  • Adjustable Seat to Handlebar Distance: Min 17.5 in / Max 22 in
  • Max User Leg Inseam: Min 26.5 in / Max 37 in
sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-dimensions

DIMENSIONS

  • 45.75L x 20.5W x 49.75H inches
  • Max Weight Capacity: 265 lbs

Specification

TECHNOLOGY

Monitor: time, speed, distance, calorie, scan

30 lb chromed solid flywheel for stability

Micro-adjustable resistance system

Caged foot pedals

Smooth and reliable belt drive system

COMFORT

Cushioned seat

Seat dimensions: 10.5L x 10W x 2.5H in

Easy 4-way adjustable seat

2-way adjustable handlebars

Integrated transportation wheels for easy mobility

Bottle Holder

ENGINEERING

265 lb weight capacity

Felt pad resistance system

Heavy duty crank system

Adjustable inseam height: Min 26.5"/ Max 37"

Seat to handlebar distance: Min 17.5 in/ Max 22 in

CONVENIENCE

Warranty: 3 year structural frame 180 days other parts and components

Product weight: 93.4 lb

Product dimensions: 45.75L x 20.5W x 49.75H in

Ship weight: 93.4 lb

Ship dimensions: 41.7L x 8.7W x 34.7H in

Warning iconCancer and Reproductive Harm - www.P65Warnings.ca.gov

FAQs

The Product Manual may be downloaded below. If you have any questions, please feel free to contact our customer care team.

The digital monitor helps track time, speed, distance, calorie, with a scan mode.

This bike comes with a micro-adjustable resistance knob so that even the slightest increase or decrease in resistance are smooth and customizable.

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.

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

The resistance you’ll feel with contact resistance is incredibly strong. A felt pad is used to apply pressure to the flywheel through varying degrees of contact. The resistance can be adjusted by twisting a micro-tension knob.

Feel confident sitting on our durable design with a 265LB max user weight limit.

This bike can accommodate inseams between 26.5" and 37".

The main difference is that The SF-B1421 has a chain drive system and the SF-B1421B has a belt drive system. A belt drive system has a belt that connects the pedals to the wheels for a smooth ride. A chain drive system uses a chain to connect the wheels to the pedals.

User manuals have recommended maintenance for your equipment. Manuals can be downloaded from our website on each product page, please search for your product to visit the product page.

Contact our customer service team here for parts and technical assistance.

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

Shipping


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.

Our Guarantee:

   

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.
We truly believe we carry some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30-day guarantee.
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Buying items online can be a daunting task, so we want you to realize that there are absolute ZERO risks in buying something and trying it out. If you don't like it, no hard feelings, we'll make it right.
We are here for you every step of your purchasing process and beyond! We promise!

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!

resistance icon

Digital Monitor

sturdy frame icon

Micro-Adjustable Resistance

flywheel icon

30 lb Flywheel

seat icon

4-Way Adjustable Seat

features

The new standard in home fitness. Sunny Health & Fitness SF-B1421 Indoor Cycling Bike offers all of the necessities for an amazing cycling workout along with any and everything all at-home fitness enthusiasts could wish for. Exercising in the comfort of your own home has never been so easy, convenient, or fun. Its fully adjustable handlebars and high density padded seat offer a completely customizable experience for ultimate user experience and compatibility

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-monitor

Digital Monitor

Tracking your progress on the SF-B1421B is simple with the Digital Monitor screen! Exercising with your SF-B1421B screen display will showcase the distance and time to keep you focused to achieving any type of personal fitness goals. The convenient scan mode displays your progress to assist you in tracking all your fitness goals.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-flywheel

30 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!

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-resistance

Micro-Adjustable Resistance

The resistance system allows for various tension levels allowing you an intense workout thus burning more calories.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-handlebars

Non-Slip Handlebars

Help prevent calluses with Sunny Health & Fitness handlebars. Non-Slip handlebars offer comfort while enduring long rides. These easily adjustable and completely customizable handlebars provide comfort while enduring intense rides. 

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-seat

4-Way Adjustable Seat

With a simple twist of a knob, you can move back and forth (and up / down) so your workout can remain comfortable.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-wheels

Transportation 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 bike around with ease, from room to room, or store it away out of sight.

sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-fittings

FITTING & ADJUSTMENTS

The seat can be adjusted for height and proximity to handlebars for setting up your cycle bike, sizing and fitting.

  • Adjustable Seat to Handlebar Distance: Min 17.5 in / Max 22 in
  • Max User Leg Inseam: Min 26.5 in / Max 37 in
sunny-health-fitness-bikes-belt-drive-indoor-cycling-bike-lcd-monitor-SF-B1421B-dimensions

DIMENSIONS

  • 45.75L x 20.5W x 49.75H inches
  • Max Weight Capacity: 265 lbs

Specification

TECHNOLOGY

Monitor: time, speed, distance, calorie, scan

30 lb chromed solid flywheel for stability

Micro-adjustable resistance system

Caged foot pedals

Smooth and reliable belt drive system

COMFORT

Cushioned seat

Seat dimensions: 10.5L x 10W x 2.5H in

Easy 4-way adjustable seat

2-way adjustable handlebars

Integrated transportation wheels for easy mobility

Bottle Holder

ENGINEERING

265 lb weight capacity

Felt pad resistance system

Heavy duty crank system

Adjustable inseam height: Min 26.5"/ Max 37"

Seat to handlebar distance: Min 17.5 in/ Max 22 in

CONVENIENCE

Warranty: 3 year structural frame 180 days other parts and components

Product weight: 93.4 lb

Product dimensions: 45.75L x 20.5W x 49.75H in

Ship weight: 93.4 lb

Ship dimensions: 41.7L x 8.7W x 34.7H in

Warning iconCancer and Reproductive Harm - www.P65Warnings.ca.gov

FAQs

The Product Manual may be downloaded below. If you have any questions, please feel free to contact our customer care team.

The digital monitor helps track time, speed, distance, calorie, with a scan mode.

This bike comes with a micro-adjustable resistance knob so that even the slightest increase or decrease in resistance are smooth and customizable.

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.

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

The resistance you’ll feel with contact resistance is incredibly strong. A felt pad is used to apply pressure to the flywheel through varying degrees of contact. The resistance can be adjusted by twisting a micro-tension knob.

Feel confident sitting on our durable design with a 265LB max user weight limit.

This bike can accommodate inseams between 26.5" and 37".

The main difference is that The SF-B1421 has a chain drive system and the SF-B1421B has a belt drive system. A belt drive system has a belt that connects the pedals to the wheels for a smooth ride. A chain drive system uses a chain to connect the wheels to the pedals.

User manuals have recommended maintenance for your equipment. Manuals can be downloaded from our website on each product page, please search for your product to visit the product page.

Contact our customer service team here for parts and technical assistance.

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

Shipping


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.

Our Guarantee:

   

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.
We truly believe we carry some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30-day guarantee.
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Buying items online can be a daunting task, so we want you to realize that there are absolute ZERO risks in buying something and trying it out. If you don't like it, no hard feelings, we'll make it right.
We are here for you every step of your purchasing process and beyond! We promise!

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!

Customer Reviews

Based on 2 reviews
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(2)
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A
Andres T.

Excellent product just received it and already love it shipping was super fast and product arrived intact easy instructions put together in under 20 min. Also to note product arrived with all necessary parts there none were missing thanks Sunny Health & Fitness.

H
Holly

Love this bike! I've used it many times so far, and it is always a sturdy and smooth ride. It's heavy, so make sure you put it together where you plan to keep it at. I've found quite a few spinning videos online, and in 20 minutes I get a killer workout! I even catch my husband on it sometimes.

Sunny Health & Fitness Belt Drive Indoor Cycling Bike Exercise Bike w/ LCD Monitor

$459.95 $470.00

Added to cart!
Introducing a better way to pay, starting at 0% APR. Learn how to finance your purchase with FREE Shipping FREE Shipping HOT SUMMER SALE! | 5% OFF & FREE Shipping for orders over $300 | Use Code: FLEXHEALTH5 | Sale ends in Free Shipping For Over $x to Introducing a better way to pay, starting at 0% APR. Learn how to finance your purchase with You Have Achieved Free Shipping Free shipping when you order over XX ou Have Qualified for Free Shipping