Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Purple ModelNumber=24613 Length (mm) 44 Material Aluminum

Length (mm) 44 Material Aluminum Defined Color Orange Valve Core Removable Valve Presta Med 41-55mm

Peri-Canal design provides a continuous relief channel from tip to tail

} Unidirectional carbon fiber riser bar with 35mm stem clamp area

Material Steel

Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Purple ModelNumber=24613 Length (mm) 44 Material AluminumTECH SPECS Headset Position Complete Material Aluminum SHIS Lower IS52 40 Steerer Tube 1 1 8 1. 5 Upper Cup 42mm Lower Cup 52mm Primary Color Purple SHIS Upper IS42 28. 6 Headset Type Integrated S. H. I. S. IS42 28. 6 IS52 40 Bearing Grade Stainless Steel Crown Race Diameter 40mm