Thread: Minimum Insertion to Bar Height Ratio
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Old 06-11-14 | 06:14 AM
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WNG
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From: Arrid Zone-a

Bikes: I used to have many. And I Will again.

Minimum insertion on a quill stem is to assure the wedge is NOT expanding at a point where the steerer is threaded.
Severe damage and failure to the steerer tube can occur.

+1 to rccardr's comments on the amount....2.5" is sufficient.
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