Originally Posted by TheKillerPenguin

Managed 24.4 for 2hrs doing a very, very flat tempo ride going back and forth on a 6.5mi stretch of road. The route was basically for the novelty, I don't think I've even broken 24 for a solo hour before, so 24+ for 2 is lol. Tis the season for silly ****.

This was on an 2015 SL5 Tarmac Expert with aluminum wheels. I can only imagine how much speed was lost not being on an S-works SL7. So much shame.