Industry Nine iRiX Upper IS42/28.6 Silver 5mm Cover MFPN=BALLRET5/32X22 Flip Mount System allows for

Flip Mount System allows for quick install or removal

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1/2" x 11/128" chain is compatible with Shimano Campagnolo and SRAM 11-speed drivetrain systems

9mm Spoke Type Straight Pull Depth 20mm Hub Model Vault Hub Spacing 148mm Rim Color Black Valve Presta Rim Construction Double wall Rim Internal Width 30mm Wheel-Brake Comp

thick thin tooth design for Shimano 12sp mountain chain engagement

Industry Nine iRiX Upper IS42/28.6 Silver 5mm Cover MFPN=BALLRET5/32X22 Flip Mount System allows forCustomize 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 silver