Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Silver MFPN=1-PK-TLRVL60-V104 it has all the integration

it has all the integration needed to elevate your ride into a class of its own

Since ski quality is a dominant factor in performance

Calf gusset is designed to keep the pad in place

Core: Lightweight and strong Paulownia + Carbon construction

Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Silver MFPN=1-PK-TLRVL60-V104 it has all the integrationTECH SPECS SHIS Lower IS52 40 Bearing Grade Stainless Steel S. H. I. S. IS42 28. 6 IS52 40 Lower Cup 52mm Headset Position Complete Steerer Tube 1 1 8 1. 5 SHIS Upper IS42 28. 6 Headset Type Integrated Upper Cup 42mm Material Aluminum Primary Color Silver Crown Race Diameter 40mm