Just ordered a bottle from Stansport. It is nice but much smaller in
diameter than my California Bike Gear bottle which is a snug fit. So the
Stansport bottle rattles around in there.

Why can't they agree on one standard diameter? In the electronics
industry we got that licked decades ago.

Any tricks how to adapt to both without bending the cage back and forth?

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Regards, Joerg

http://www.analogconsultants.com/