4 CYL HillClimb Bikes Up Close
Mostly up close in the pits, also some hill action
Pitster Pro 90 Beats a CR500 With a Head Start
Pitster gets a 160 foot head start and shows me how its done. Groutaone official race gear found here http://www.groutaone.com/
CR500 AF Wheel Speed? Or Not?
Searching for an answer