Leon Haslam and Cal Crutchlow reckon that they will have the top end speed to beat off the challenge of Bennetts British Superbike Championship leader Shane Byrne on the super-fast Snetterton circuit in this weekend’s fifth round. The HM Plant Honda duo have jetted back from riding in a 300kms race in Japan and are raring to go at the Norfolk circuit that in recent years has favoured the Fireblades.