World Superbike teams dirt crew: Martin Barr and Jake Shipton

While their official factory Yamaha World Superbike crew os Alex Lowes and Michael Van der Mark is winning races on the tarmac, the Crescent Yamaha s dirt bike heroes are making waves on the soft stuff. Veteran Irish rider Martin Barr is in the hunt for several British MX2 titles, and Jake Shipton is having a breathrough season with podium finishes in the MX1 championship. We catch up with them at the ledendary Hawkstone Park Maxxis British championship round.