Originally Posted by
caloso
I had that problem and was glad to get rid of the GSC-10 when I got a Quarq.
On my single bike I just use the Quarq.
On the tandem, We use the GSC-10.
I'm thinking though about adding a speed only sensor to the single bike to go along with the Quarq to get more accurate speed.
Not really a big deal, but the sensor is cheap and a bit less clunky than the GSC-10