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  • From the HHV website:
    The rise in popularity of fixed-wheel bikes now means many people may own one for use on the road. To make it track legal it must adhere to certain standards:

    It must have a fixed wheel drivetrain
    Frame must have a bottom bracket height of at least 265mm (from ground to centre) when using 165mm cranks (more if using longer cranks
    If frame has braze-ons or fittings they must be padded and taped over to avoid injury
    It must have no brakes or extraneous parts (this includes the entire brake assembly, bottle cages, lights & brackets etc)
    It must have Drop handlebars
    Handlebars must be fitted with bar-end plugs and bartape or grips
    Tyres must be in good condition and pumped up hard
    Pedals should provide adequate foot retention (clips and straps or clipless pedals set to a high tension)
    Wheel axles should be of the nutted type (no quick-release skewers)
    Gearing should be between 82 and 88 gear inches for novice riders. (48 x 15 (86″) is ideal for adult riders) a slightly higher ratio around 88-90 gear inches is preferred for racing.

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