I think have seen this on a Pop Brennan "Stayer" (motor paced track) bike. Jeff G. can provide more detail as he now owns the bike. The bike also had reinforcing struts for the bars and stem if I remember right. I figure the prop rod was to be sure the saddle did not rotate about the clamp. I would suppose that the forces generated on a stayer on a small track would be extreme - probably at least 2-3 g.
Joe
At 01:11 PM 1/6/01 EST, RALEIGH531@aol.com wrote:
>Ref: The special issue of Cycling Weekly with the Raleigh history in it.
>On pages 37 and 77 appears Reg Harris on a Raleigh track bike.
>The saddle appears to have a rod extending to the top tube.
>Was this a brace? Were the seatposts at that time prone to slipping?
>Or was this something else?
>Thanks.
>
>Pete Geurds
>Douglassville, Pa