Ava alloy stem and bars diameter
03-26-15 | 12:21 PM
#1
Thread Starter
Senior Member
Joined: Sep 2012
Posts: 3,699
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From: Toronto, ON, Canada
Ava alloy stem and bars diameter
I have a 1971 px10 in the mail. Id like to replace the Ava stem. It should be a 22.0 diameter stem but I'm wondering what the clamp size would be if I want to reuse the original Ava bars. 25.0? 25.4?
Also, some of the stems I am looking at are open at the back (you can see the quill bolt). Is this normal? Seems like a great place for water to get into the steerer.
Also, some of the stems I am looking at are open at the back (you can see the quill bolt). Is this normal? Seems like a great place for water to get into the steerer.
03-26-15 | 12:31 PM
#2
Senior Member
Joined: Mar 2014
Posts: 1,538
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From: Hopkinton, MA
Bikes: 1938 Raleigh Record Ace (2), 1938 Schwinn Paramount, 1961 Torpado, 1964? Frejus, 1980 Raleigh 753 Team Pro, Moulton, other stuff...
Yes, that was normal, and, yes, please get yourself a forged, not cast (like the AVA) stem. They are especially vulnerable to breaking when raised up. The consequence of a broken stem is not pretty...
