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Old 01-26-21, 09:01 PM
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Bikes: 2017 Specialized Allez Sprint Comp

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The 21 Madone uses a T47 BB and higher modulus carbon. The former is a pretty big deal because of how bad BB90 is.

Plenty of people have been happy with their BB90 bikes, of course, but Trek had very good reason to dump it.
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