[anon4]

40mph? Really? Not 40kph? Because holy fuck -- once I managed to go 50kph for a minute and that's incredibly FAST.

[darkr]

Yeah. I hit 46mph the other week on a long fast descent. That's nothing particularly out of the ordinary; especially compared to pro cyclists - Fabian Cancellara reportedly exceeded 80mph on the Tour de Suisse in 2009.

Here's a fun video of a 2011 TDF descent: https://youtu.be/MSmhgOFGl_M