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Threaded Headset Question (again)

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Threaded Headset Question (again)

Old 04-01-22, 09:04 PM
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Threaded Headset Question (again)

Sorry, one more headset question.

How much of a gap should be between the top of the lock nut and the top of the steerer? I can stack either 6mm or 8mm of spacers under mine, and the 6mm is just barely bottomed out, and 8mm leaves a 2mm gap.

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Old 04-01-22, 09:09 PM
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As little as possible, while still allowing the lock nut to be tightened enough.

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Old 04-02-22, 06:43 AM
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Seems like the 8mm should be the ticket then. Sometimes it's hard to tell when the locknut is bottoming out until the headset keeps coming loose on rides. Went through that on one of mine and finally just added another thin spacer to fix it. As long as most of the the treads are engaging I can't see how you should have any problem.
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Old 04-02-22, 06:51 AM
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You should aim for a 2 mm gap.
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Old 04-02-22, 08:27 AM
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If the locknut bottoms out on the steer tube, you need a thicker spacer. There needs to be a gap of some sort between the locknut and the top of the steer tube to properly set bearing preload. As long as at least three threads on the locknut are engaged, you should be fine.
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