Schwinn Suburban 10 speed with Thule RideAlong 450$

I have an original Schwinn Suburban ladies bike with a m frame suitable for both a taller & mid-height ride attached with Thule RideAlong seat. Also included helmet (m) and lock.

http://www.thule.com/en-us/us/products/active-with-kids/bike-trailers-and-seats/bike-seats/thule-ridealong-_-1683328