Roger De Coster was outside the Red Bull KTM truck after the Philadelphia Supercross, a successful day at the races that saw Chase Sexton charge to a podium and Tom Vialle affirm his place at the top of the 250 East Region points. While the team loaded up the motorcycles and backed up the rig, the Director of Motorsports for KTM/Husqvarna/GASAGS in North America gave us eight minutes to talk about the season so far, the how and why to the suspension change on Chase Sexton's motorcycle, and what he thinks of the current generation's competitive skills and technical knowledge.