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The Sigma R2 Duo, which attaches to the chain stay, has been completely redesigned for use with the Sigma ROX GPS 11.0. It measures both cadence and speed and transmits both via ANT+ and Bluetooth Smart. This means that data can be received simultaneously on a bike computer and a smartphone.
Data can be sent to ROX GPS 11.0 and Smartphone with any compatible app
with the new SIGMA LINK App the ROX GPS 11.0 can also show incoming calls or messages live on the display
Transmitter for speed and cadence
Road, Touring, MTB
Data transmission to ANT + and Bluetooth Smart compatible devices, e.g. ROX GPS 11.0