That is the base model. The A1 Comp has that on the top tube. A1 stands for the aluminium used in the frame.
Thanks, do you know what the "AIM" on the chainstays mean?CZMTBva said:Forgot to mention, I have an A1 Comp Ground Control from 1996 they were red and yellow. I also have the steel regular ground control frame in my garage.
Thanks.CZMTBva said:AIM stands for Active Independant Mechanism