Here is the full list of all 20 LocoCycle achievements.
Took no damage during a whole level.
Beat a tanker truck sequence in less than 60 seconds.
Took out a Big Arms car using only melee.
Blew up 200 civilian cars.
Unlocked all game bonus content.
Unlocked all bonus content.
Unlocked all film bonus content.
Finished Final Level.
Finished Neighborly Farmlands.
Maxed level up on all weapons and abilities.
Combo streak reached 1,000.
Finished Bi-Polar Offroads.
Countered 150 total enemies.
Finished Cruisin' Keys.
Combo streak reached 250.
Finished Hidden Canyons.
Countered 50 total enemies.
Finished El Highway.
Blew up Leaper Agent's car before he reached you.
Finished Prologue.