Various Manufacturers Alloy/Steel Handlebar Stem 21.15 mm for Older American Bikes
These were unavailable for a long time, but we found a new stash!
Ideal upgrade for your Schwinn Varsity or other older bike that needs the 21.15 quill size.
Aluminum upper section to keep the weight down, with strong steel quill.
Forward Exension (reach): 3"
Clamp fits ISO standard 1" (25.4 mm) handlebar center.
Just be careful which handlebars you want to install, i could not get my bullhorns which i wanted installed because i couldn't make it past the first bend.