Vehicles running on sand and gravel will drift the same way. The same eyes ahead and keep the wheel pointed where you want to go is required when driving them also. A person just has to get used to it. Trying to correct will crash a motor vehicle also. The same thing can be said of driving on snow. Some people never get used to it and will crash in a heartbeat. Personally I don't think I would have any problem riding the gravel in the OP. Heavy gravel like that is much easier to ride on than deep sand. Deep sand will stop a road bike with skinny tires but would only gradually slow a bike with 1.75" tires and barely cause a 2.25" tire bike a problem.
Last edited by Torque1st; 04-09-08 at 08:20 AM.