Originally Posted by
Homeyba
I do race and I don't use one. I train using fixed courses, a simple bike computer and a spread sheet. I have thought about getting one but that's as far as I've gone. I do well enough without spending the money on one, not that the money is a big deal as all my bikes are rather expensive, I just haven't felt that it would provide that great of an advantage for me.
I'm not sure that one wouldn't be wasted on me. I can better understand how training could be enhanced after reading the first few replies here, but I'm not sure that, for what I do, it would really be necessary. Helpful, I'm sure, but not needed. Still, I'll read up on them. Thanks, Homeyba.