Thread: Re-gearing a 7-speed
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Old 08-21-16 | 06:38 PM
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Bill Kapaun
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From: Mid Willamette Valley, Orygun

Bikes: 87 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds. 2019 Giant Explore E+3

You would need a new hub.
Not that big of a deal if you can build wheels.

BTW- Saying 105 is kind of like saying Chevy Impala. Very different cars over the decades.
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