I've not had any issues on mine apart from the batteries running out after 6 months use, which were easy and cheap to change...
I can't comment on their accuracy as I've got no point of comparison, but they seem to be fairly consistent based on the higher average power = faster tt rigorous testing approach the I've adopted.
Surely not using them must piss off the sponsor, whatever they put on the bikes...
I've not had any issues on mine apart from the batteries running out after 6 months use, which were easy and cheap to change...
I can't comment on their accuracy as I've got no point of comparison, but they seem to be fairly consistent based on the higher average power = faster tt rigorous testing approach the I've adopted.
Surely not using them must piss off the sponsor, whatever they put on the bikes...