Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Green Bearing#-6903X 9mm Wall thickness

9mm Wall thickness

}RockShox Motion Control Rebound Damper with Shaft Bolt and Seal Head Revelation RC A1 (2018-2019)

Made with a gusset-free ALUXX aluminum frame and 26-inch wheels

Use XN-6130 for Hydra freehub seal

Size 42t and larger will work with the Dura Ace 9100 power meter

Industry Nine iRiX IS42/IS52 Headset : IS42/28.6 | IS52/40 Integrated Complete Green Bearing#-6903X 9mm Wall thicknessTECH SPECS Headset Position Complete SHIS Lower IS52 40 Steerer Tube 1 1 8 1. 5 Crown Race Diameter 40mm Headset Type Integrated S. H. I. S. IS42 28. 6 IS52 40 Material Aluminum Lower Cup 52mm Bearing Grade Stainless Steel SHIS Upper IS42 28. 6 Upper Cup 42mm Primary Color Green