It is a Miyata 721. The front triangle is aluminum, while the rear is steel.The seat tube union is pretty unique and would probably help id it. Its it aluminum or steel?
The seatpost on the purple bike is a standard 25.8mm rpund seatpost by Sakae.Aero seat tube with matching seat post. That purple bike is cooler than it appears. Hubba hubba!
Oops! I saw what I wanted to see LOLThe seatpost on the purple bike is a standard 25.8mm rpund seatpost by Sakae.