had my first bike wreck in 20 years on it tuesday.
i work for a railroad just got done raning when we got off of work at 11:30 pm man are those bike tires slike on the crossing's. slipped the fron or back in between the rail and crossing ties happened to quick for me to tell. didn't have the motor engaged coasting across them. got real good road rash on my right side didnt do to much damage to bike had to put a new rear derailer on it bent the he** out of it and locked the chain between the frame and the crank. got it all fixed yesterday going to ride it again tonight to work.
You'd have better results on the street if you use *street* tires. Off-road tires are for off-road. Also, it's more effective to go slow when you can see the road isn't very sturdy (e.g. - wet, sandy, gravelly, etc.).