Siestabikes
Finally riding a big boys bike
A 21.1 stem is noticeably too small for this 1963 Varsity. My 65' Collegiate also can handle a 22.2 stem. When and why did this change occur. All my 1970's Schwinn use the 21.1 size
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21.1 or 22.2 stem size?
- Thread starter Siestabikes
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Archie Sturmer
Riding a '38 Autocycle Deluxe
A Wald shim (#901?) might be used to tighten the fit.
The wider 22mm stem fits into a wider steerer tube, which is lighter weight than a thicker steerer tube with the same outside diameter and a narrower 21mm inside diameter. That’s the normal development of bicycles — much about how to make them lighter weight; (or the vice-versa cheaper?).
The wider 22mm stem fits into a wider steerer tube, which is lighter weight than a thicker steerer tube with the same outside diameter and a narrower 21mm inside diameter. That’s the normal development of bicycles — much about how to make them lighter weight; (or the vice-versa cheaper?).
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coasterbrakejunkie1969
Riding a '38 Autocycle Deluxe
Did that make steerer tube stronger?
GTs58
I'm the Wiz, and nobody beats me!
I hope so, they used a heavier gauge tubing.
Eric Amlie
Wore out three sets of tires already!
That was the reason for the change.
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