Surly Ultra New Hubs S3-Cat-Components-Suspension-Forks-20" High heat dispersion and heat

High heat dispersion and heat tolerance

visco-elastic behaviour reduced vibrations

Lumen output: 1200

while retaining the familiar grid texture at the limit

Lightweight carbon cover

Surly Ultra New Hubs S3-Cat-Components-Suspension-Forks-20" High heat dispersion and heatSURLY ULTRA NEW HUBS Ultra New hubs look much like their predecessors. In fact, the hub shells have not changed at all. They remain 6061 T6 forged and machined aluminum alloy with medium height flanges. Whats Ultra New about these hubs are their guts. Ultra New hubs use hollow axles of our own design mated to threadin wheel fixing bolts, as opposed to the nutted axles of our previous hubs. Hollow axles make conversion to quick release super easy