Originally Posted by
the_don
As you can see. You have 46x17 which gives you 69 gear inches, having the 48x17 will give you 76 gear inches. But 46x15 gives you 82 gear inches.
you seem to be unable to see that 46/17 is actually 73 inches not 69....
to the OP I have ridden 46/15 my legs are too old and my location too hilly for that to be a regular setup I ride the same as you presently though I'll probably be on 48/17 by next spring