Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Orange CheckoutTitle=Polar Bottle Breakaway Insulated 24oz Water Bottle 5 Maximum Rotor Size 220mm

5 Maximum Rotor Size 220mm Stanchions Material Aluminum Maximum Tire Width 81mm Axle/Hub spacing 15x110mm TA Rake 44mm Spring Adjustments Air pressure Bottomless tokens

ISEV-ISB is for a Shimano I-SPEC EV shifter mounting to a Shimano I-SPEC B brake

Formerly named "Flexible" or "Flex"

The Speedmax remains one of the best models across all brands in terms of consistent flex and quality control and it is easy for us to recommend as a great choice in all conditions

Industry Nine iRiX IS41/IS52 Headset : IS41/28.6 | IS52/40 Integrated Complete Orange CheckoutTitle=Polar Bottle Breakaway Insulated 24oz Water Bottle 5 Maximum Rotor Size 220mmTECH SPECS Crown Race Diameter 40mm Headset Type Integrated Primary Color Orange Bearing Grade Stainless Steel SHIS Upper IS41 28. 6 Lower Cup 52mm Upper Cup 41mm Headset Position Complete Material Aluminum S. H. I. S. IS41 28. 6 IS52 40 SHIS Lower IS52 40 Steerer Tube 1 1 8 1. 5