Joined: Feb 2005
Posts: 13,560
Likes: 44
From: Milledgeville, Georgia
Bikes: 2018 Black Mountain Cycles MCD,2017 Advocate Cycles Seldom Seen Drop Bar, 2017 Niner Jet 9 Alloy, 2015 Zukas custom road, 2003 KHS Milano Tandem, 1986 Nishiki Cadence rigid MTB, 1980ish Fuji S-12S
Larger wheels roll a little easier, but not so much that you would notice it in casual riding. If the tires are smooth enough to roll freely, they should be just fine.
You can spend quite a bit on bike racks, but the Bell hitch racks sold at Walmart and similar stores for around $100 will do a fine job of carrying your bikes around. That's what I have.