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Posted: Mon Dec 28, 2015 8:43 pm |
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jakenok |
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Joined: 24 Sep 2012 |
Posts: 20 |
Location: Kansas |
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Was the plain chrome post straight diameter, of was it smaller at top, like the old Raleighs? I need a post and saw both in 26.4 on evil bay. |
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| | | | | | | | | Re: TDF SEATPOST | | | | | |
Posted: Wed Dec 30, 2015 4:25 pm |
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verktyg |
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Joined: 14 Jan 2007 |
Posts: 2814 |
Location: SF Bay Area |
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jakenok wrote: |
Was the plain chrome post straight diameter, of was it smaller at top, like the old Raleighs? I need a post and saw both in 26.4 on evil bay. |
The TdF seatposts were chrome plated steel like this one, only a little longer. If you live near an old bike shop, you may be able to find one dirt cheap or even free!
Make sure to get a good seat clamp. The cheap ones are garbage (like in the picture above). They don't have fine adjustment, the nuts and threaded "axle" are soft and strip or break easily, plus they don't stay adjusted!
The old Ideale clamps are about the best. They have fine adjustment via rotatable slides in the rear with locknuts.
The Brooks clamps are next best. Looks like they are selling them again.
Simplex seatposts were period correct and at the time one of the few readily available choices beside Campagnolo and Zeus.
They were made in a number of different versions - chrome plated steel, aluminum alloy, fluted alloy and so on.
Seat tubes are usually rough inside and can have sharp burrs that will chew up alloy seatpost. Check out these tips:
Clean out any old grease or gunk with a solvent soaked rag or whatever.
Also, you can use a large screwdriver or other kind of wedge to spread the "ears" of seat lug to open the bore up a little. Make sure to remove any burrs that you might kick up inside the seat tube.
Use a brush hone or brake cylinder hone to smooth out the inside of the seat tube and remove any excess paint or corrosion.
Last, take a glop of grease and spread it inside the seat tube and on the seatpost. |
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_________________ Chas.
SF Bay Area, CA USA
==============
1984 Criterium
1969 TdF
1971 TdF
1974 TdF
1984 TdF x 2 Bikes
1970 SC
1971 SC
1972 SC
1984 SC
1984 Team Pro
1985 Professional
1990s Team Replica |
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Posted: Thu Dec 31, 2015 7:17 am |
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jakenok |
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Joined: 24 Sep 2012 |
Posts: 20 |
Location: Kansas |
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thanks, Chas. Invaluable information. |
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| | | | | | | | | TDF SEATPOST | | | | | |
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