Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black CheckoutTitle=SRAM Titanium T25 Rotor Bolt Kit - Silver 5" internal/external 25/29mm hole 28h

5" internal/external 25/29mm hole 28h ERD 562mm color gray weight 418g

Low-profile tread with diamond knurling to reduce rolling resistance and enhance grip in dusty or loose conditions with paddle knobs providing extra braking bite

Intended for everything from XC to DH it features unidirectional fibers for vibration damping

Caliper includes 4 phenolic plastic pistons

Reba has always signified RockShox quality and performance

Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black CheckoutTitle=SRAM Titanium T25 Rotor Bolt Kit - Silver 5" internal/external 25/29mm hole 28hTECH 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