Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Orange

TECH SPECS Bearing Grade Stainless Steel Crown Race Diameter 40mm Lower Cup 52mm Headset Type Integrated Upper Cup 42mm Material Aluminum Primary Color Orange S.H.I.S. IS42/28.6 | IS52/40 Steerer Tube 1-1/8-1.5 Headset Position Complete SHIS Upper IS42/28.