If he's keeping up with the fast group already, he may not care (i.e. it's not worthwhile, to him) I'm not saying you have to spend a lot of money. I'm saying

If he's keeping up with the fast group already, he may not care (i.e. it's not worthwhile, to him) I'm not saying you have to spend a lot of money. I'm saying people mostly don't do the obvious performance changes anyway, and for most riders it doesn't really matter (as they aren't doing anything competitive enough to need it).