Pro's still ride 39x23 (25 or 26 in the mountains)
Nobody rides 11-23 anymore. 11-25/28 is standard, when it gets really hilly some pros even ride 11-32, combined with a 34t inner chainring.
Quintana rode 54/42 x 12/27 for majority of tour in 2017/2018
@getoutofbed started
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Nobody rides 11-23 anymore. 11-25/28 is standard, when it gets really hilly some pros even ride 11-32, combined with a 34t inner chainring.