Each week we are going to post a featured photo from the City Grounds Tumblr. This week is our team rider Jack Lindquist's Ritte x Moth Attack track bike. We found this pic over on Ritte's Facebook page. If you are on Tumblr, make sure to follow us: http://citygrounds.tumblr.com/ Check it out in action: Photo's c/o Jack Lindquist's Tumblr: http://pinkfixie.tumblr.com/