Originally Posted by
Creatre
Why? I race on the Pro4 endurance. I'll take the .0003% rolling resistance difference in order to not flat out in a race.
I'm thinking the same way, but I was wanting to try them out just out of curiosity anyway. I've got the fresh set of P4Es on the bike now, and three more P4Es in the box when they wear out.
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Regards,
Chuck
Demain, on roule!