Your height, inseam and weight are all taken into account - even the possibility that you'll be toting around a toddler in a child seat on the rear rack is considered in the equation that decides the final shape of the frame.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt

With Ulster final opponents Monaghan ruled out of the equation, Tyrone could face any of five other teams - Cork, Meath, Donegal, Derry or Westmeath.

BBC: SPORT | Northern Ireland | The Championship | Red Hands trio face fitness race