Walter Huybrechts: Cycling's 'Beast' of the boards

    Story highlights

    • Unlikely man helps cycling's fastest racers
    • Riders paced by "Derny" motorcycles

    (CNN)Amid the lycra-clad, finely honed pro cyclists, Walter Huybrechts cuts an incongruous figure.

    Bespectacled, with a generous degree of padding around his waist and sporting a tight-fitting set of leathers which are hardly flattering, the Belgian instantly attracts attention.
      Yet the 63-year-old from Antwerp (nicknamed the "Beast" -- "my wife likes that," he says) can hold the key to success for the likes of Bradley Wiggins and Mark Cavendish in the fiercely competitive world of indoor Six Day racing, where teams of two compete in different disciplines over six nights.
      One of those disciplines is the Derny race, and Huybrechts is among a select band of "pacers" who career around the velodromes of Europe at speeds of up to 46 mph on the specially designed m