Originally Posted by
sstang13
Is there a way to calculate speed using cadence, what gear I'm using, and time? This could also help determine how far I will go if I know what speed I'll go using a certain gear and choose a predetermined time limit. Thanks in advance.
Yes, but the more direct method is to just add a speed sensor or combination speed/cadence sensor to your rear wheel.
That said, the speed you go on the trainer is not the same as your outdoor speed.