Present in all GTA games since Vice City, this is the only stunt bike in the game, and the best suited for off-roading.
Get the legendary Sanchez motorbike using this cheat code:
In Playstation:
CIRCLE, X, L1, CIRCLE, CIRCLE, L1, CIRCLE, R1, R2, L2, L1, L1
In Xbox:
B, A, LB, B, B, LB, B, RB, RT, LT, LB, LB