• Been looking into this.

    Seems fairly underground but found some info.

    Appears the bikes are based on a 127cm axle to axle wheelbase and 20" wheels, based around stock BMX bikes.
    Rules are fairly simple with 4 classes, Stock unfaired, Stock faired, Custom unfaired, Custom Faired. So stock is based on an OTP BMX, custom is home build frame, Faired is with a fairing for aeros added.
    Max bike weight of 34kg
    No pedals, must have fixed pegs of a certain min diameter.
    Full leathers to be worn and full face helmet.

    Haven't found yet if there is an active sanctioned race ciruit scene in the UK, it might just be an add on to other gravity classes, luge, skateboard, go karts etc etc.

    But that explains why they all have little wheels, not sure if i fancy 50mph on bmx wheels :) and a twitchy short wheel base :)

  • Would the lower centre of gravity go some way to making a short wheel base more stable? Not really sure of the specific physics involved there.

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