Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Blue MFPN=00.4020.955.003 Fully light-weight right to the

Fully light-weight right to the valve - about 40% less weight than a comparable Schwalbe extra light tube

One Star Triple compound and Vectran Guard for high-level of puncture protection

In just a few steps

Snow Temp: 0 °C

TwinLoc helps manage the sag effect in several ways

Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Blue MFPN=00.4020.955.003 Fully light-weight right to theTECH SPECS Bearing Grade Stainless Steel Material Aluminum Primary Color Blue Upper Cup 41mm SHIS Upper IS41 28. 6 Crown Race Diameter 40mm Headset Position Complete Headset Type Integrated S. H. I. S. IS41 28. 6 IS52 40 SHIS Lower IS52 40 Steerer Tube 1 1 8 1. 5 Lower Cup 52mm