Replacement rear fender for the Baja Doodle Bug mini bike DB30 & the Coleman CC100X This is the black plastic fender used on the newer model Doodle Bug pit bikes Replacement rear fender for the Baja Doodle Bug mini bike DB30 & the Coleman CC100X. This is the black plastic fender used on the newer model Doodle Bug pit bikes. Just as with the front fender, this pit bike part is much more affordable than the old metal fenders on the previous model Doodle Bugs. A hard to find mini bike part, this rear mini bike fender, but we have it in stock for you at Monster Scooter Parts!