Motorcycle racer Jediah Cumbermack achieved a sixth-place finish in round eight of the AJN Steelstock Limited Kawasaki British Superteen Championship at Oulton Park Circuit in Cheshire at the weekend. Cumbermack, who represents the British development team Rokit Rookies, qualified in sixth position. He has previously competed in the MotoAmerica Junior Cup for the Texas-based A.I.R […]