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🚀 Upgrade your treadmill, upgrade your run — don’t get left behind!
The Runn Retrofit Smart Treadmill Sensor is a compact, easy-to-install device that converts any treadmill into a smart fitness machine. It broadcasts real-time speed, incline, and cadence data via Bluetooth and ANT+ to popular fitness apps like Zwift and Kinomap. Compatible with Apple Watch heart rate monitoring, it offers up to 15 hours of rechargeable battery life, making indoor running smarter and more connected than ever.





| ASIN | B0CFWNX4L6 |
| Additional Features | ANT+, Bluetooth |
| Best Sellers Rank | #170,203 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #435 in Treadmills |
| Brand Name | North Pole Engineering |
| Color | Black |
| Connectivity Technology | ANT+, Bluetooth |
| Customer Reviews | 3.5 3.5 out of 5 stars (61) |
| Frame Material Type | Plastic |
| Global Trade Identification Number | 00860009132900 |
| Included Components | Charging Cable, Mounting Hardware, Runn, Sensor Strips |
| Is Assembly Required | No |
| Item Dimensions D x W x H | 3.63"D x 3.75"W x 2"H |
| Item Type Name | Treadmill Retrofit Sensor |
| Item Weight | 3.5 Ounces |
| Manufacturer | North Pole Engineering |
| Material Type | Plastic |
| Maximum Incline Percentage | 15 |
| Maximum Weight Recommendation | 240 Pounds |
| Metrics Measured | Speed, Treadmill Incline, Running Cadence |
| Model Name | Runn Smart Treadmill Sensor |
| Model Number | Runn |
| Number of Programs | 15 |
| Power Source | batteries, Micro-USB |
| Product Benefits | Indoor Run or Walk Tracking, Virtual Training Connection for non-smart Treadmills |
| Product Grade | New |
| Recommended Uses For Product | Indoor Running, Indoor Walking, Walking Treadmill Desk |
| Target Audience | Adult |
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