The Bikes Pack Title update for Burnout Paradise has 7 trophies - 5 bronze, 1 silver and 1 gold.
Awarded for riding 10 miles on a bike in an 8 player online game
Awarded when you complete your 5th Freeburn Challenge on a bike
Awarded when you reach 100% complete on your Bike License
Awarded for spending a full 24 hour day and night cycle riding a bike
Awarded when you set your 1st bike Day Road Rule
Awarded when you reach a total bike distance ridden of 50 miles
Awarded when you set your 1st bike Night Road Rule