Here are a couple of prototypes from our friends at Indy Fab. The mountain bike is a ti/carbon racy steed. The city bike is a titanium mixtie. Share this:Click to email this to a friend (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)Click to print (Opens in new window)