"As such, the brake rotor (which is referenced to the rear hub) can be slightly misaligned ... this system could improve rigidity in the bike's rear axle by creating a stiffer interface between ...

Aiding these bits of hardware are a new three-cross spoke rear hub and new 22 mm rear axle. Because this is a bike meant to ride in the dirt we're talking about, Yamaha also tampered with the dust ...