Uno Smart

The patented and unique Uno Smart is a tiny multifunctional sensor designed to make your indoor training more enjoyable. It transforms any Basic trainer into a Smart trainer so you can train with popular cycling apps like Tacx and Zwift. This sensor also perfectly suits outdoor rides. It accurately measures your speed, cadence and power and connects easily to your bike computer. New features are added regularly.


Available from Q2 2019

Speed, cadence and power

The Uno Smart can be used as a speed sensor, cadence sensor and power meter. Connect it to Zwift for a Smart indoor training or to your bike computer when riding outside. You simply set the required feature via an app to utilize it as you see fit.

Extremely accurate

Whether you’re using the Uno Smart indoors or outdoors, it’s essential that it accurately measures your data. This was key when developing this unique sensor. It measures your speed with a maximum deviation of 0.5 km/h, cadence with a maximum deviation of 2 rpm and your power accurately within 5%.

Easy to use

This ANT+ and Bluetooth sensor is easily setup with the Tacx Uno app. After a short one-time calibration session your data will be transmitted to the cycling software during your training. The sensor can be mounted on your bike via an elastic strap.

Dual technology

The Uno Smart communicates wirelessly via ANT+ and Bluetooth Smart so you can link it to multiple devices simultaneously, like your cycling software and bike computer. Dual technology allows you to view and save your data in the app of your choice.

New features

The special design of the Uno Smart sensor enables limitless possibilities on ways to use it. New features will be added regularly.

Features & specifications

Applications Speed sensor , Cadence sensor , Power meter , Indoor cycling sensor
Weight 9 g (0.32 oz)
Dimensions 37 x 27.5 x 10.5 mm (1.45 x 1 x 0.41 in)
Accuracy <5% , +/- 2 rpm , +/- 0.5 km/h (0,31 mph)
Wireless communication ANT+ FE-C , Bluetooth Smart open
Output Speed , Cadence , Power
Suitable for Basic bike trainers , Bike computer , Smartphone , Tablet , Sports watch
Electrical requirements Button cell battery CR2032 3V (lasts for about a year)
Calibration Spin down
Article number T2030

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