computer??

[Bman]

Indeed it is addictive

I have two on my bike ATM.... A Garmin Edge 305 for GPS routes/speed/HR and the legacy £10 computer from Asda that I now only use for total mileage and temperature

 

[aJohnson]

I have Cateye Cadence, not managed to use it outside yet, it's wired but it pretty nice and neat.