Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Gold Guards & Bashrings 96 BCD symmetrical (not XTR)

96 BCD symmetrical (not XTR)

These are also great replacement options for lost or damaged stock axles

The reducers are engaged with a lever and have one disengaged position and 4 levels of resistance (3 levels for 125) to provide options for adjusting training resistance or braking down hills

model base spindle interface SRAM DUB shell PF30 shell ID 46mm width 68/73mm color blue

Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Gold Guards & Bashrings 96 BCD symmetrical (not XTR)TECH SPECS Lower Cup 52mm Primary Color Gold Headset Position Complete Material Aluminum SHIS Lower IS52 40 Steerer Tube 1 1 8 1. 5 SHIS Upper IS42 28. 6 Crown Race Diameter 40mm Bearing Grade Stainless Steel S. H. I. S. IS42 28. 6 IS52 40 Headset Type Integrated Upper Cup 42mm