Orders under $29.99 ship for $4.99, while orders of $29.99 and above enjoy free shipping (3–5 business days). $10 extra applies for bulky items.
In-stock items ship from our U.S. warehouse in 3–5 business days; international orders take 7–12 business days when U.S. stock is unavailable.
We offer a 30-day hassle-free 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-contact@rockbrosus.com
Estimated Delivery Timeline:
This compact 2-in-1 speed and cadence sensor delivers accurate ride data for road, gravel, and mountain bikes, making it one of the best bike speed and cadence sensor options for everyday training. With Bluetooth and ANT+ connectivity, it pairs seamlessly with leading bike computers and cycling apps to provide real-time speed and cadence metrics. The low-profile, durable design performs reliably across mixed terrain and weather conditions—ideal for riders who want a clean, simple setup without managing multiple sensors.
Note: When used for speed measurement, the inner hub space must be wider than 38 mm.
ROCKBROS
Black
IP67
Explore Boundlessly, Ride Passionately.
Enjoy Cycling, Enjoy ROCKBROS.
Let the rhythm of rolling wheels become the soundtrack of freedom and joy.
