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Understanding BB drop on downsizing wheelsets...
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08-10-19 | 05:24 PM
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Bill Kapaun
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87 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds. 2019 Giant Explore E+3
Quote:
Originally Posted by
Bike Jedi
.......then I do 730-726mm = 4 mm.
I am not sure where the author got "2mm" from. How actually do I figure this out exactly?......
Your method measures to the top of the tire.
The axle will move 1/2 as much.
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