Innovative front disk brake design - the disk is attached to the wheel rim not the hub and has a hollow centre. Allows for a really, really big disk diameter. But the bike's styling is hideous.

Cheers, Richard
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09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge