Disappointed by
"Disappointed by the fastening method given on the leaflet. It doesn't go between the crankset and the stay."

The SIGMA Duo Magnetless cadence sensor installs easily on your bike to give you access to more precise data about your training. It accurately measures pedalling cadence and will help you optimise your training. The Bluetooth and Ant+ connection eliminates the need for cables and provides a practical installation. It is compatible with ROX computers.
Overall rating: 2.0 / 5 from 1 reviews.
Review topics: [].
"Disappointed by the fastening method given on the leaflet. It doesn't go between the crankset and the stay."