Originally Posted by
FlashBazbo
Shimano sneaked an engineer into the Campy factory several years back. The freewheel noise is so that Shimano riders can keep track of Campy riders in the pack. The loud CLUNK shifting sound is so that Campy riders can't surprise Shimano riders with sudden breaks. You hear the CLUNK, you know they're about to accelerate.
Or that you are going so fast that they have to shift down to keep up.
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Zero gallons to the mile