Hi everyone I am wondering if you could help me out with how much this bike is worth. My dad used to ride this bike when he was a triathlete 20+ years ago and now the corporate life has taken it's toll and him and he hasn't ridden this bike in decades. It has never been crashed and is in original condition from what I can tell. From what I have read online I hear eisentraut's are great bikes but I have no idea what it is worth.
The specs for the bike are as follows:
Eisentraut Steel Frame serial number E050886
Modolo ALx90 brakes
Modolo handlebars and steam
Mavic MA2700C rims
Campagnolo record cranks and hubs
Campagnolo seat post
Also included are sew up wheels with shimano dura ace hubs and araya aero 4 rims.
I also have no idea how to measure the bike which I am told is important, if you could give me tips on how to do that so I can sell it that would be great. Any and all help is appreciated. I will post pics too if that will help.