Quote Originally Posted by shaunaneto View Post
session, but suffering in the garage has it's own ways of trashing your motivation and resultant fitness
agreed

however, I have found the happiest medium: really good group spinning sessions at a place called pedal studio in putney, led by cyclists and targetting HR zones.

Not, I realise, convenient for most people, but I see there is a similar place in Leeds that has Wattbikes, which looks even better.