Product information Technical Details Brand Sunny Health & Fitness Special Feature Distance Travelled Monitor Color Brandy Power Source Battery Powered Recommended Uses For Product Indoor Item Weight 88.2 Pounds Material Alloy Steel Resistance Mechanism Magnetic Product Dimensions 22″D x 49″W x 50.5″H Maximum Weight Recommendation 275 Pounds Handle Material Alloy Steel or Aluminum Model Name SF-B1879 Drive System Belt UPC 815749012784 Global Trade Identification Number 00815749012784 Item Package Dimensions L x W x H 41.5 x 34.6 x 10 inches Package Weight 46.49 Kilograms Item Dimensions LxWxH 22 x 49 x 50.5 inches Brand Name Sunny Health & Fitness Manufacturer Sunny Health & Fitness Part Number SF-B1879 Style Advanced About this item 【30-LB FLYWHEEL】The swift 30-pound flywheel will make it easy to get your exercise cycling routine started, while also maintaining speed and consistency as you pedal. The cast-iron make prevents any issues with pulleys or loud sounds. 【SILENT AND SWIFT RIDE】Built with a modern near-silent belt-drive mechanism to give a smooth and consistent performance, removing any distractions as you work out no matter the time of day even when people are sleeping. 【MAKE YOUR SUNNY BIKE SMART】Transform your bike into a smart bike with our CB110 Cadence Sensor (sold separately). Easily track all your cycling metrics. Connect with the Free Sunnyfit App and access 1,000+ workout videos that syncs with your ride. 【PERFOMANCE MONITOR AND TABLET MOUNT】The LCD lets you check your speed, distance, RPM, pulse, and calories-burned at just a glance as you ride on your exercise cycle. Use our SunnyFit App with the tablet mount to ride with our free workout videos. 【MAGNETIC RESISTANCE】The integrated magnetic resistance puts you in full control of your workout intensity. It delivers consistent performance that makes your workout easy when you want it, hard when you need it. 【PULSE-SENSING HANDLES】Monitor your cardiovascular performance with the built-in pulse-sensing grips so you can actively check your workout progress, displayed on the stationary bike performance monitor. 【DESIGNED FOR YOU】Soft, comfortable 2-way adjustable handlebars and 4-way adjustable seat lets you adjust your indoor bicycle to match your frame. The caged foot pedals can also be adjusted to fit your shoes, ensuring a comfortable ride. 【EASY TO USE】Intuitive dial to turn for resistance, emergency brake by pressing the dial, bottle holder, and dumbbell holder let you ride with ease. Built with transport wheels to make moving around a breeze, no matter the space. 【HEAVY DUTY & SAFE BUILD】Designed with strong and sturdy materials for optimal stability while cycling and supports users up to 275 LB, made to provide you with a safe experience. Adjustable features, 30 LB flywheel, and more to keep users safe. 【PREMIER U.S.-BASED BRAND】With 20+ years of excellence, Sunny Health & Fitness delivers top-notch equipment dedicated to excellence. With our devoted support team and certified trainers enjoy an unmatched FIT FOR EVERYONE experience.
Sunny Health & Fitness Synergy Pro Magnetic Indoor Cycling Bikes.
Original price was: $418.00.$237.00Current price is: $237.00.
97 in stock
Shipping Policy
Last updated: September 2026
Thank you for shopping at Grout Enhancer. This Shipping Policy explains how we process and deliver your orders so you know exactly what to expect from purchase to doorstep.
Order Processing & Handling Time
All orders are processed and prepared for shipment within 1–2 business days of the order being placed. Orders are not processed or shipped on weekends or U.S. public holidays.
Transit & Shipping Time
After your order has been processed, standard shipping typically takes 3–5 business days for delivery to addresses within the United States.
Total Estimated Delivery Time
Combining processing and transit times, you can expect your order to arrive in approximately 4–7 business days from the date of purchase.
| Stage | Estimated Time |
|---|---|
| Order processing & handling | 1–2 business days |
| Transit (shipping) | 3–5 business days |
| Total estimated delivery | 4–7 business days |
Weekends & Holidays
Delivery times are counted in business days (Monday through Friday, excluding U.S. public holidays). Orders placed on weekends or holidays will be processed on the next business day. During peak shopping seasons or major holidays, delivery may take longer than the estimates above. We appreciate your patience during these periods.
Shipping Cost
We offer free standard shipping on all orders over $75 within the United States. Orders under $75 are charged a flat shipping rate of $7.95.
Order Tracking
Once your order has shipped, you will receive a shipping confirmation email containing your tracking number and a link to track your package. Tracking information is provided as soon as it becomes available from the carrier. If you do not receive a tracking email within 3 business days of your order, please check your spam folder or contact us at reachus@theenhancergroutcleaning.com.
Shipping Destinations
We currently ship to all 50 U.S. states. We do not ship to P.O. boxes, APO/FPO addresses, or international destinations at this time.
Incorrect Address
Please ensure your shipping address is correct at checkout. Grout Enhancer is not responsible for orders delivered to an incorrect or incomplete address provided by the customer. If you notice an error in your shipping address, contact us immediately at reachus@theenhancergroutcleaning.com or +1 (925) 536-4521 — we will do our best to update it before the order ships.
Lost or Delayed Packages
If your package is delayed beyond the estimated delivery window, please first check the tracking information. If the tracking shows no progress for 5 or more business days, contact us and we will open an inquiry with the carrier. For packages confirmed as lost by the carrier, we will arrange a replacement or full refund.
Contact Us
If you have any questions about our shipping policy or the status of your order, please contact us:
- Email: reachus@theenhancergroutcleaning.com
- Phone: +1 (925) 536-4521
- Address: 5 Rider Mill Ct, Owings Mills, MD 21117
Return and Refund Policy
Last updated: September 2026
We want you to be completely satisfied with your purchase from Grout Enhancer. This Return & Refund Policy explains your rights and the process for returning products and receiving refunds.
30-Day Return Window
You may request a return or refund within 30 days of receiving your order. To be eligible for a return, your item must meet the conditions outlined below.
Eligibility Conditions
- The item must be unused and in its original condition, with all original packaging, accessories, and documentation included.
- The product must not be damaged due to misuse, improper installation, or unauthorized modification.
- Certain products (such as items marked as final sale or clearance) may not be eligible for return. This will be clearly indicated on the product page.
- You must provide proof of purchase (order number or receipt).
How to Initiate a Return
- Email us at reachus@theenhancergroutcleaning.com within 30 days of receiving your order with your order number and the reason for the return.
- We will review your request and send you a Return Authorization email with return instructions and the return shipping address.
- Pack the item securely in its original packaging with all accessories included.
- Ship the item to the address provided in the Return Authorization email.
Return Shipping Responsibility
Customer-initiated returns (change of mind, ordered the wrong item, etc.): The customer is responsible for return shipping costs. We recommend using a trackable shipping service.
Damaged or incorrect items (see below): Grout Enhancer will cover the full cost of return shipping by providing a prepaid return label.
Damaged or Incorrect Items
If you receive an item that is damaged in transit, defective, or incorrect (wrong product, wrong variant, or wrong color), please contact us within 7 days of delivery at reachus@theenhancergroutcleaning.com with:
- Your order number
- A description of the issue
- Photos of the damaged or incorrect item and the packaging
We will arrange a free replacement or a full refund (including original shipping charges) and provide a prepaid return label at no cost to you. You will not be charged return shipping for damaged or incorrect items.
Refund Process
- Once we receive your returned item, our team will inspect it to confirm it meets the eligibility conditions above.
- You will be notified by email that your return has been received and whether your refund has been approved or denied.
- If approved, your refund will be processed back to your original payment method within 5–10 business days of approval, depending on your bank or card issuer.
Refund Processing Time
| Stage | Estimated Time |
|---|---|
| Return shipment transit | 3–5 business days |
| Inspection & approval | 1–2 business days |
| Refund to payment method | 5–10 business days |
Partial Refunds
In certain situations, partial refunds may be granted at our discretion, including:
- Items returned with missing parts, accessories, or original packaging.
- Items that show signs of use beyond what is necessary to determine their nature, characteristics, or functioning.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange a defective or damaged item for the same product, email us at reachus@theenhancergroutcleaning.com.
Cancellations
If you need to cancel your order, please contact us as soon as possible. Orders can be cancelled free of charge if they have not yet been processed for shipping (typically within 1–2 business days of order placement). Once an order has shipped, it must be returned following the standard return process above.
Contact Us
If you have any questions about our return and refund policy, please contact us:
- Email: reachus@theenhancergroutcleaning.com
- Phone: +1 (925) 536-4521
- Address: 5 Rider Mill Ct, Owings Mills, MD 21117
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