JIS headset question
07-11-12 | 05:28 PM
#1
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Senior Member
Joined: Aug 2006
Posts: 1,090
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From: Land of Cheese
JIS headset question
I'm overhauling a 1973 Schwinn World Voyageur.
The headset cups read 30.0 on a digital caliper; the fork crown race is 26.4.
Most headsets I've looked at ship with 27.0 races combined with 30.0 cups.
Can I substitute a 26.4 crown race from within the same manufacturer family?
Say, this:
https://www.benscycle.net/index.php?m...oducts_id=8193
with this?
https://www.niagaracycle.com/product_...7e16bd6378121f
The headset cups read 30.0 on a digital caliper; the fork crown race is 26.4.
Most headsets I've looked at ship with 27.0 races combined with 30.0 cups.
Can I substitute a 26.4 crown race from within the same manufacturer family?
Say, this:
https://www.benscycle.net/index.php?m...oducts_id=8193
with this?
https://www.niagaracycle.com/product_...7e16bd6378121f
07-11-12 | 06:04 PM
#2
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Joined: Feb 2012
Posts: 19,352
Likes: 5,470
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
Maybe. Are the ball sizes the same for each race? How is the dimensioning of the race at it's base/seal fitting? There's a lot of class B fits out there but without actually trial fitting i wouldn't want to make any promises. Andy.
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