Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Turquoise

TECH SPECS Crown Race Diameter 40mm Headset Type ZeroStack SHIS Lower ZS56/40 Primary Color Turquoise S.H.I.S. ZS44/28.6 | ZS56/40 Material Aluminum SHIS Upper ZS44/28.6 Bearing Grade Stainless Steel Lower Cup 56mm Headset Position Complete Steerer Tube 1-