Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Blue Trek Model CNC TLR Pro Length

Model CNC TLR Pro Length 44mm Color Blue Valve Presta Insert Compatible Yes Package Pair

Replacement OE bearings

Spring and mounting hardware sold separately

Find your way in the most challenging environments with multi-band GNSS technology that provides enhanced positioning accuracy

Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Blue Trek Model CNC TLR Pro LengthTECH 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