Extralite HyperSmart3 Front Disc Brake Hub
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Race-proof hyper-engineered 100mm front disc hub. ABI Stainless cartridge bearings with high load capacity & low friction seals and O-ring seals, with external micro- tuner preload. Oversized 17mm axle.
Flanges for straight-pull d/b spokes: 24h or 28h. Black anodized body with laser etched graphics.