Originally Posted by
PepeM
It's a SIGNIFICANTLY better brake rotor, for starters.
Bicycle brake rotors are a cut piece of sheet metal. Motorcycle racing rotors are a finely crafted piece of precision machinery made of metals that are designed to dissipate heat better.
There is also the 100+mph wind buzzing past the motorcycle brake rotor that helps keep it cool. The 10mph wins on a bicycle isn't doing much.
Most importantly...brakes? I thought the point of racing bikes was to win, not slow down and look cool blasting 'Low Rider'. Get off the brakes and hit the throttle!