Here is the data from my two bikes:
Early 80s Tommasini with Air fork {This one is a keeper!}
ST 57cm TT 56.25cm ST Angle 74 HT Angle 74 Rake 42.5mm CS 405mm WB 983mm BB Drop 67.5mm Trail 5.3cm
Nagasawa {It's good...damned good!}
ST 56.5cm TT 56cm ST Angle 74 HT Angle 74 Rake 47mm CS 405mm WB 990mm BB Drop 70mm Trail 4.9cm
This was a fun way to spend the day. Hopefully next Sunday we RIDE !!! Anybody with a spare bike for me to borrow is encouraged to be in Atlanta next Sunday for our rescheduled vintage ride.
Nick Zatezalo Atlanta,Ga.
> [Original Message]
> From: Roman Stankus <rstankus@mindspring.com>
> To: <classicrendezvous@bikelist.org>
> Date: 2/20/2005 4:18:32 PM
> Subject: RE: [CR]Vintage Racebike Geometry(more)
>
> Well, because the Atlanta Vintage Ride scheduled for today was rescheduled
> due to threatening weather, Nick Zatezalo and I used the occasion to get
> together, talk old bikes, and measure some more old bikes. We had a chance
> to measure his Nag and his Tommasini as well as the rest of mine.
>
> We had a great time talking about some of Nick's recent bike sales over
> lunch among many other important vintage bike issues. If Nick sells many
> more - I'm going to have to give him a loaner!
>
> Here are the rest of my bikes:
>
> Early '80's Colnago - A very responsive, fun, and not uncomfortable bike
in
> spite of the steep angles. Now, where's that '70's Pog?
> ST 57.5cm
> TT 57cm
> ST angle 74
> HT angle 75
> Rake 51mm
> CS 405mm
> WB 993mm
> BB drop 74mm
> Trail 3.8cm!!!!
>
> '85-'86 De Rosa A sweeeeeet ride!
> ST 59.5cm
> TT 58cm
> ST angle 74
> HT angle 74
> Rake 55mm
> CS 415mm
> WB 1015mm
> BB Drop 73
> Trail 4.0cm
>
> '79 McLean - A custom build for me(pics on the CR site). I think this
bike
> would have been better with a 73 HT angle and shorter TT and front c-c and
> more rake. Rides nice nonetheless and has great sentimental value.
> ST 58.5cm
> TT 58cm
> ST angle 73.5
> TT angle 72.5
> Rake 42mm
> CS 413mm
> WB 1020mm
> BB Drop 77mm
> Trail 66.7
>
> It's been a fun exercise to document the design specs on these frames and
to
> correlate them to the feel and ride qualities of the various bikes. Most
of
> these bikes are set up similarly with similar wheels and tires so the
> comparisons and data are useful to me. Its interesting to see how wide a
> range of bike geometry yields very rideable bikes.
>
> Hope some of you find this information of some interest. Happy riding!
>
> Roman Stankus
> Atlanta, Ga.