Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black CheckoutSpec= 700X40 Wheelbase: 720mm

Wheelbase: 720mm

Easy handling - Easy step-in and step-out

Centerlock Rotor Lockring - Internal Spline

teeth 16t color orange

Direct Mount Type Direct Mount SRAM Tooth Count 32 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Offset 3 Chainline/Hub Compatibility 141/148 Boost Hubs

Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black CheckoutSpec= 700X40 Wheelbase: 720mmTECH SPECS Primary Color Black Headset Position Complete Steerer Tube 1 1 8 1. 5 Upper Cup 44mm S. H. I. S. ZS44 28. 6 ZS56 40 Bearing Grade Stainless Steel Lower Cup 56mm Material Aluminum Headset Type ZeroStack SHIS Lower ZS56 40 Crown Race Diameter 40mm SHIS Upper ZS44 28. 6