Campagnolo 1" Triomphe headset crown race sizes?
 

I have a Campagnolo Triomphe headset that i took off a bike that I then rebuilt for a friend. The crown race on the Triomphe crown race has a smaller internal diameter than does the one on the 1" headset I replaced it with on the bike.

1. Does anyone know what internal diameter is the Triomphe crown race I do believe it's English threading as that was the threading of the replacement headset.

2. Anyone know where I can buy that smaler inner diameter crown race? Or a complete Triomphe headset at a reasonable price with reasonable shipping?

Cheers

Campagnolo 1" Triomphe headset crown race sizes?
 

On Mon, 29 Jun 2020 20:50:20 -0700 (PDT), Sir Ridesalot
wrote:

I have a Campagnolo Triomphe headset that i took off a bike that I then rebuilt for a friend. The crown race on the Triomphe crown race has a smaller internal diameter than does the one on the 1" headset I replaced it with on the bike.

1. Does anyone know what internal diameter is the Triomphe crown race I do believe it's English threading as that was the threading of the replacement headset.

2. Anyone know where I can buy that smaler inner diameter crown race? Or a complete Triomphe headset at a reasonable price with reasonable shipping?

Cheers

Any help at
http://www.velobase.com/ViewComponen...c-f21446a9b792
which lists two possible threadings - English/ISO/Italian (25.4mm x
24TPI) or French (25mm x 1mm)
--
cheers,

John B.

Campagnolo 1" Triomphe headset crown race sizes?
 

On 6/29/2020 10:50 PM, Sir Ridesalot wrote:
I have a Campagnolo Triomphe headset that i took off a bike that I then rebuilt for a friend. The crown race on the Triomphe crown race has a smaller internal diameter than does the one on the 1" headset I replaced it with on the bike.

1. Does anyone know what internal diameter is the Triomphe crown race I do believe it's English threading as that was the threading of the replacement headset.

2. Anyone know where I can buy that smaler inner diameter crown race? Or a complete Triomphe headset at a reasonable price with reasonable shipping?

Cheers


The two sizes are 26.4mm and 27.1mm.
Generally premium quality bicycles use the smaller crown
race seat. The matching head cups are 30.0mm and 30.2mm so
one generally cuts a midprice frame and fork to the smaller
crown seat and larger head tube.

http://www.yellowjersey.org/photosfr...st/fklc20e.jpg

In practice, ignoring the 0.2mm head cup difference doesn't
seem to be an actual problem.

I think you want frame machining service, not a new headset
but if you want one they exist:

https://www.ebay.it/sch/i.html?_from...omphe&_sacat=0

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971

Campagnolo 1" Triomphe headset crown race sizes?
 

On Tuesday, 30 June 2020 08:42:16 UTC-4, AMuzi wrote:
On 6/29/2020 10:50 PM, Sir Ridesalot wrote:
I have a Campagnolo Triomphe headset that i took off a bike that I then rebuilt for a friend. The crown race on the Triomphe crown race has a smaller internal diameter than does the one on the 1" headset I replaced it with on the bike.

1. Does anyone know what internal diameter is the Triomphe crown race I do believe it's English threading as that was the threading of the replacement headset.

2. Anyone know where I can buy that smaler inner diameter crown race? Or a complete Triomphe headset at a reasonable price with reasonable shipping?

Cheers


The two sizes are 26.4mm and 27.1mm.
Generally premium quality bicycles use the smaller crown
race seat. The matching head cups are 30.0mm and 30.2mm so
one generally cuts a midprice frame and fork to the smaller
crown seat and larger head tube.

http://www.yellowjersey.org/photosfr...st/fklc20e.jpg

In practice, ignoring the 0.2mm head cup difference doesn't
seem to be an actual problem.

I think you want frame machining service, not a new headset
but if you want one they exist:

https://www.ebay.it/sch/i.html?_from...omphe&_sacat=0

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971

Thanks Andrew.

I'm leaving shortly to put the Triomphe headset back on the buyer's bike. That means I'm in the market for a Triomphe or Victory headset for my Miele Tange Infinity frameset.

Cheers