Industry Nine iRiX IS41/IS52

Attributes Bearing Grade Stainless Steel Crown Race Diameter 40mm Lower Cup 52mm Headset Type Integrated Upper Cup 41mm Material Aluminum S.H.I.S. IS41/28.6 | IS52/40 Steerer Tube 1-1/8''-1.5'' Headset Position Complete SHIS Upper IS41/28.6 SHIS Lower IS52/40