From Exotek Racing:
Heavy duty 7075 precision machined alloy 10° caster hubs for the ZX-6 series.
Machined down to 5.2 grams per hub for lightness but much stronger than the stock plastic hubs.
Polished and anodized in glossy black and laser etched for easy left right identification.
#1788 – $38.95 MSRP