I have the 105 brakes on my CAAD9 and I have never had any issues stopping, but then again, it's flat here. Do you have disc on your other bike? That might be why you feel the difference.
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Brian | 2025 Trek Checkmate | 2025 Lynskey Elysium | 2022 Trek FX Sport 5
you should learn to embrace change, and mock it's failings every step of the way.