THE ROADSTOCK RACES ARE RAN IN THREE CATAGORIES THAT BASICALLY PITS ANYTHING FROM  400CC BIKES (ZXR400 ETC) TO 1300CC MISSILES (GSXR1000'S / R1'S ETC) AND DURING THE 2007 SEASON NICK WON 3 RACES OUTRIGHT BEATING ALL THE BIGGER BIKES.   AT DARLEY MOOR NICK PUT THE CBR600RR ON POLE ALONG WITH WINNING BOTH RACES AND SETTING THE FASTEST LAP!  NOT BAD FOR A STANDARD ENGINE.