Originally Posted by
Squirrelli
Not really, with a gear inches of around 85 or more, it only takes like 100 rpm to go down a hill at 40kph to look cool for the camera. On the other hand, with a gear inches in the low 70s, high 60s neighbourhood, it'sharder to spin to 40kph down a hill. The latter is much more impressive, in my worthless opinion.
This is true, however I always assumed they were in the 70's. For some reason I guess they could just gear up, but in a lot of films I see them spinning at what seems like much higher than 100RPM.