Bike Forums - View Single Post - For a threaded fork, how do you know what length steerer to use? And thread length?

03-04-08 | 09:27 PM

#13

Grand Bois

Senior Member

Joined: Mar 2005

Posts: 17,392

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From: Pinole, CA, USA

Quote:

Originally Posted by urbanknight

Then why would you need the spacers instead of just setting the stem higher? And how do you not put the expander in the threaded section of those forks with 7" of threading as mentioned by I_brad?

Because a quill stem that sticks up too far above the top nut looks lame and it's weaker than if it's supported by an extra long steel steerer.

I don't think I've ever seen a fork with 7" of threading. The replacement forks I've been looking at for an old Raleigh Competition have 50mm of threading. They'll work for a range of frame sizes. I didn't say they'd work for all sizes. I did see one with 100mm of threads, but that seems excessive.

If you look at the bikes on the Rivendell site, you'll see that most of them have headset spacers.

Last edited by Grand Bois; 03-04-08 at 09:35 PM.

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