






HR12 Heart Rate Chest Strap with Bluetooth & ANT+
📦 Shipping Information
- US Warehouse In-Stock: 3–5 business days
- International Shipping (if US stock is unavailable): 7–14 business days
Free Shipping on Orders $50+
🚲 Bicycle Shipping
Delivery Times
- Standard: 40–60 business days
- Expedited: 25–30 business days
Shipping Fees
- Small Bikes: $40 Standard | $70 Expedited
- Large Bikes: $130 Standard | $200 Expedited
No additional taxes or fees. Choose the shipping option that works best for you.
We offer a 30-day return and exchange policy starting from the date you receive your item.To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email info@rockbrosusa.com.
At ROCKBROS, we offer a worry-free 2-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at info@rockbrosusa.com with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.

Product FEATURES





- See training intensity as you ride. The HR12 chest strap tracks real-time heart rate to help you monitor workout effort.
- Connect to compatible devices. Bluetooth and ANT+ support pairing with compatible phones, bike computers, and fitness devices.
- Reduce frequent battery changes. The stated battery life is up to 800 hours; actual runtime depends on use and conditions.
- Keep sensor weight low. The sensor body weighs approximately 13 g.
- Handle sweat and splashes. The sensor is rated IP67 for water and dust protection. Follow the product instructions for care and cleaning.





- See training intensity as you ride. The HR12 chest strap tracks real-time heart rate to help you monitor workout effort.
- Connect to compatible devices. Bluetooth and ANT+ support pairing with compatible phones, bike computers, and fitness devices.
- Reduce frequent battery changes. The stated battery life is up to 800 hours; actual runtime depends on use and conditions.
- Keep sensor weight low. The sensor body weighs approximately 13 g.
- Handle sweat and splashes. The sensor is rated IP67 for water and dust protection. Follow the product instructions for care and cleaning.
Frequently asked questions
When will my order arrive?
Most orders are processed in 1–2 business days. Standard delivery within the contiguous United States is typically 3–5 business days. Delivery times can vary by destination and warehouse availability.
Can I return this product?
Most unused items in their original condition and packaging can be returned within 30 days of delivery. Sale items and gift cards are not returnable. Contact info@rockbrosusa.com before sending a return.
Does this order qualify for free shipping?
Eligible orders of $50 or more receive free standard shipping; bikes may be excluded. Standard shipping for orders under $50 is $5.99. See the Shipping Policy for current service areas and exceptions.


