Industry Nine iRiX Upper IS42/28.6 Black 5mm Cover CheckoutTitle=Vittoria Mezcal XC Race Tire - 29 x 2.4 PF30 Thread TogetherReplaceable Enduro bearings

PF30 Thread TogetherReplaceable Enduro bearings

Multipurpose

Style Number: 3801

The rolling resistance of the slow wheels is increased using our patented ISR (internal speed reducer) that weighs only 10 grams

while the silica particles are 8 and the tungsten carbide in V2 ferrules 9

Industry Nine iRiX Upper IS42/28.6 Black 5mm Cover CheckoutTitle=Vittoria Mezcal XC Race Tire - 29 x 2.4 PF30 Thread TogetherReplaceable Enduro bearingsCustomize and upgrade your cockpit with iRiX options Separate upper and lower headset cup assemblies to mix and match Upper assemblies include star nut and top cover, while lower assemblies include split crown race Crown race and top cover employ removable and replaceable silicone lip seals to keep the sealed, 440c stainless steel bearings contaminant free TECH SPECS model iRiX upper S. H. I. S. IS42 28. 6 upper lower upper stack 5mm color black