Bike Forums - View Single Post - Threadless stem install on old road frame.

08-08-11 | 08:55 AM

#2

FBinNY

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Joined: Apr 2009

Posts: 39,897

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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

A few questions.
Does your old bike have a threadless, or threaded headset?
What size steerer, 1" or 1-1/8""

Since you describe it as an older bike, I'll answer as if you have a 1" threaded headset. In that case the adapter fits into the fork and tightens with a wedge like your old quill stem. Then it has a roughly 2.5" 1-1/8" dia stub sticking out above the headset to which you can clamp the stem. Here's a link to various models. Note the bottom has to fit the fork/headset, and the top has to match the stem.

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