At the opening round of Monster Energy AMA Supercross Championship, former pro David Pingree combed the pits to find out what new parts the factory teams are using in 2019.

Riders featured:

Ken Roczen
Jason Anderson
Eli Tomac
Chad Reed
Justin Barcia
Marvin Musquin

About Pro Circuit

Based in Corona, California, Pro Circuit Products, Inc. is a leader in off-road motorcycle and ATV exhausts and aftermarket performance parts. Started in 1978, Pro Circuit is the go-to shop for recreational riders and professionals for everything from suspension work to complete engine packages, and everything in between.