Hi all- My girlfriend and I are looking to really get into cycling. I've done it before and have an older Schwinn Road bike that still handles great. She doesn't have a road bike that can keep up with me though. I visited a couple of shops and they recommended the TREK 7.3 I believe for her- I think it has a little of both road and off-road abilities. She is about 5'1 so I'm looking at a 15-17 inch frame I believe. Has anyone tried this series, can recommend something else? And if it is a good bike to get her- If anyone has an older one that they don't use anymore I'd be willing to buy it off of them. Thank you very much.