For all CX races, riders’ equipment must comply with the following requirements: * Two wheels of the same diameter * Two brakes * No additional supports or extensions mounted to the handlebar, stem, fork or frame * 42mm maximum tyre width * Maximum width by a printed or moulded size on the tyre’s sidewall – where there is no printed or moulded size or the tyre has been modified this will revert to an actual 42mm width measured from outside to outside * Drop handlebars mandatory, no maximum width * Human-powered bicycles only, no power assist * No metal studs in tyres * Double triangle frame shape * Rear wheel must be free to roll forward independently of the drivetrain (no fixed gear bikes) * Must have a saddle attached securely to the bicycle (Please note that riders considering racing in Elite/U23 or J19 in the National Cyclocross Series (NCXS), the NCXS has different regulations and maximum tire widths. The series guide for the NCXS is available at https://admin.platform.auscycling.org.au/uploads/2025-cx-national-series-series-guide-v1.0.pdf.) Riders in the ‘Open’ category may ride any bike in good working order, provided that: * No additional supports or extensions to the handlebars, stem, fork or frame * No metal studs in tires * Must be in good working order
