sorry for late reply - i'll get back to you, appreciating it may go in the meantime...I've indefinitely (time wise) lent my bike to one of my wife's Mum-Crew who's doing a Triathlon around Mont Blanc in the Summer and she thinks a 30 may make a helpful difference as somewhat 'climby'
sorry for late reply - i'll get back to you, appreciating it may go in the meantime...I've indefinitely (time wise) lent my bike to one of my wife's Mum-Crew who's doing a Triathlon around Mont Blanc in the Summer and she thinks a 30 may make a helpful difference as somewhat 'climby'