Ducati UK Monster 20 on X: "This race spec Monster S4 was one of the bikes that was used in the one make 'S4 Challenge' race series back in 2002 http://t.co/4RxWJouW" /
MotoAmerica: More On Quarterley Racing Fielding Michael Barnes In Twins Cup - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News
MotoAmerica: More VIR Previews, Including The Continuation Of Michael Barnes On The Quarterley Racing Ducati In Twins Cup - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News
Ducati Monster sulla pista di Snetterton Foto stock - Alamy