if your cycling exploits were in any way worth filming you wouldn't need a drone, because you'd be in the Tour de France and there would already be a freaking helicopter up there
Mr.Positive today, aren't weCatches? Well . . . your fingers?
De-digitalization aside: "The flight time is estimated to be 20 minutes [...] It won`t avoid trees. Or telegraph poles. [...] The max speed of Lily Cam is 25mph" (source).
Noise, etc, and the way that (after the initial novelties of these things has worn off) those sharing the road will regard you as a douche? Quoth WRM:
I think it looks pretty cool.