BEARS FORMULA 1
APRILIA RSV1000R, RSV4; BENELLI 1130 Tornado & TNT; BMW S1000RR, K1200S & K1200R (A & B), K1200 Power Cup; BUELL 1125; DUCATI (4 valve Testastretta) 998cc – 1198cc, Desmosedici; BIMOTA, HARRIS, SPONDON, etc. (less than 10 years old); KTM RC8; MV AGUSTA F4 over 751cc;

BEARS FORMULA 2
APRILIA RSV1000 (Pre 2004), Tuona; BENELLI 900 Tornado & TNT; BIMOTA (2 valve less than 10 years old) BMW K1200S & K1200R (C & D); BUELL 1125 (C&D Grade); DUCATI 2 valve 944cc – 1100cc, all 4 valve 748cc – 996cc (No 998 except for S4RS); KTM 950 – 990; BIMOTA, HARRIS, SPONDON, etc. (10 or more years old); MV AGUSTA F4 750cc & Brutale 910; TRIUMPH 650 – 675, Speed Triple & Sprint (over 900cc);

BEARS FORMULA 3
APRILIA RS250, RXV/SXV 550, Shiver; BIMOTA DB1; BMW F800, R850 – R1200, K100 – K1200; BUELL 2 valve up to 1200cc; DUCATI 2 valve 750 – 904cc (A&B Grade), 904 – 1000cc (C&D Grade), 4 valve 748cc, 851 – 888cc (C & D); NO DUCATI 848-853cc HARLEY DAVIDSON XR1200; MOTO GUZZI (4 valve) and 2 valve over 1200cc SINGLE CYLINDER 2 & 4 stroke in modified/GP type frames. TRIUMPH 600-900cc, T595; Excluding 675 HARRIS/BIMOTA 2 stroke; VEE TWO Alchemy;

BEARS FORMULA 4 – HERITAGE (New Cut Off Date 1985 – No Tyre/Wheel Restrictions)
Motor Design – Pre 1985, including head and crankcases; Motor Manufacture can be after 1985; Frame – tubular steel; Front Forks – no USD forks; Wheels – Free; e.g. BULTACO; BMW Boxer R60 – R100 (4 valve heads may be fitted); DUCATI all Bevel drives, Pantah, TT2, 750F1; HARLEY DAVIDSON 883 – 1200, XR750 – 1000; LAVERDA SFC 750, Jota, RGS; MOTO GUZZI Mk1 – Mk5, V7, Classic; SINGLE CYLINDER – BSA, Norton, Velocette etc; TRIUMPH Bonneville, Trident, Thruxton;

BEARS FORMULA 5
(Open to C and D grade riders only on treaded street tyres)   
SINGLE CYLINDER – APRILIA; BIMOTA; BMW; CAGIVA; HUSABERG; HUSQVARNA; KTM; MuZ; TRICK; TWIN CYLINDER – APRILIA RXV/SXV 450; DUCATI (2 valve) up to 904cc; MOTO GUZZI (2 valve) up to 1200cc;