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Help! TH Industries "Internal/Integrated Headset" Question(7 posts)

Help! TH Industries "Internal/Integrated Headset" QuestionTricone
Jul 26, 2001 11:05 AM
I have a Cinelli Starlight/Columbus Muscle carbon frameset that I'm planning to build-up. The Starlight has a 1 1/8" "internal headset" made by TH Industries, Model No. 9M/TH. (http://www.thindustries.com/p2.htm).

The headset has a "split-ring" crown race that allows one to seat the race onto the fork crown by hand. I noticed that when seating this particular race, it does not sit flush against the fork's crown. Instead, there is about a 2mm gap between the race and the crown. I'm getting conflicting information about whether or not to face the crown, or just leave this gap as is. It appears as if there is a slight thickening of the carbon steerer tube where it meets the crown, which prevents the race from seating further. It also appears that this thickening is suppose to be there. Any thoughts on whether the race should be flush against the crown?
re: Help! TH Industries "Internal/Integrated Headset" QuestionTJeanloz
Jul 30, 2001 8:29 AM
It should be flush against the crown. They lie when they say it can be seated by hand. The installation measure we've had to take is to put the race on, put another race on top of that, pound the two races on with a slide hammer, carefully remove the extra race.

A quick explanation for those who haven't seen this headset so they don't yell at me- if you just pound the original race on with a slide hammer, the shape and flimsyness of the race will cause it to be deformed- even a King tool will not do the job well, you really do need to use two races.
re: Super light brakesgrzy mnky
Jul 26, 2001 12:23 PM
Light, cheap and durable....pick any two.

Sorry for the cynicism, I don't have any actual experience with the product. Who knows it could be a winner.
re: Super light brakesbevcor
Jul 26, 2001 12:45 PM
Actually the Brewlite brakes are the same as the DiaCompe BRS200 TI brakes. They are 248gms for the set or about 144gr each.
Cane Creeks?Dog
Jul 26, 2001 1:57 PM
I have the Cane Creeks on my Bianchi, which I was told are the same. Pretty darn light. They work fine, but do require a bit more lever pressure, and take just a little more attention to center initially.

Doug
Didn't like the Cane CreeksDMoore
Jul 26, 2001 9:06 PM
I was warned, but didn't listen. I was told that 170 lbs. might be too much for Cane Creeks. They were OK, but I really didn't like the feel. Plus, they made a horrible amount of noise. Changed to the Salmon colored Kool Stops, problem persisted.

I switched to the lightest dual pivots I could find, the new Mavic SSC's from Excel. About 50 gr. heavier than the CC's, but silent and much more powerful feeling. Problem solved.
diff front and rear?Dog
Jul 27, 2001 6:25 AM
Could do diff brakes front and rear, like the new Campy Record? Would save a little weight on the rear, where you don't need as much power.

Doug