Join Date: Sep 2005
Location: Northern California
Bikes: BMC Pro Machine SLC01, Specialized Globe, Burley Rock 'N Roll tandem, Calfee Dragonfly tandem.
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What is internal diameter of road dropbar?
I have been trying to find the internal diameter of a standard road drop bar at the grip end.
According to Sheldon Brown's Bicycle Glossary the external diameter of the standard drop bar is 25.4 mm (1") at the clamp and 23.8 mm (15/16") at the grip.
After much Googling, however, I have been unable to ascertain the standard internal diameter at the bar end.
Can anyone help me out?