Chris Sangerwrote a review of Cervelo R5 Disc Ultegra R8070 Complete Bike on October 24, 2019
Familiarity: I've put it through the wringer
My black/black di2 r5 just replaced my Wilier cento1 sr. I was nervous at first, because I loved the Wilier, but this bike is incredible and I couldn't be happier with the switch.
Stiffness is great and all, but it doesn't do you any favors if it's not balanced, and that's something I've really been able to feel after switching to this bike, especially in the sprint. There's something incredible about the planted pedaling platform the r5 provides when you're giving it your all. All that and it's comfortable too. I'm running 25's and the bike feels smooth and bright. I don't feel much of a need to go to 28's.
I'm 6' 3" with long arms and pretty garbage low back flexibility. Running a 58 with 10mm of spacers.