Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Turquoise CheckoutSpec= MTB/Boost It regulates moisture and heat

It regulates moisture and heat well

Aggressive cornering knobs meets fast centerline making for a tire that carries speed into the turns yet corners like it means it

Internal anatomically shaped heel cap

model Revelation (A1-4) 10-17 wheel size 27/29" travel 120mm

Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Turquoise CheckoutSpec= MTB/Boost It regulates moisture and heatTECH SPECS Headset Type Integrated Material Aluminum S. H. I. S. IS42 28. 6 IS52 40 Lower Cup 52mm SHIS Upper IS42 28. 6 Crown Race Diameter 40mm Headset Position Complete Steerer Tube 1 1 8 1. 5 SHIS Lower IS52 40 Primary Color Turquoise Bearing Grade Stainless Steel Upper Cup 42mm