Top Bike Sportsmans, Summer Thunder, Sydney Dragway January 19, 2019

The 400 Thunder Top Bike championship rolls into Sydney Dragway and the Santos Summer Thunder for round three of their 201819 championship, as Jay Upton attempts to keep a firm grip on his championship lead from a fast charging field that includes Gavin Spann, Adam Layton and defending champion, Chris Matheson. Our coverage also includes the latest round fo the 400 Thunder Sportsman Series.