Full Speed Ahead Orbit-Z Internal Upper Headset - H2051A 1-1/8" ZS44/28.6 36x45 5.3/13.1mm BLK MFPN=20503 BASE / CLIMBING ZONEWorld Cup

BASE / CLIMBING ZONEWorld Cup Plus

Suits all kinds of activities

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Color Black/Silver Defined Color Black Defined Color Silver Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Offset 0 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 38

Additionally it allows the user to route wires/hoses internally when paired with compatible stem/headset combo or externally with any traditional stem and headset equipped bike

Designed around a 31

Full Speed Ahead Orbit-Z Internal Upper Headset - H2051A 1-1/8" ZS44/28.6 36x45 5.3/13.1mm BLK MFPN=20503 BASE / CLIMBING ZONEWorld CupFull Speed Ahead Orbit Z Internal Upper Headset H2051A 1 1 8" ZS44 28. 6 (36x45) 5. 3 13. 1mm Black. Replacement headset uppers from FSA. TECH SPECS Defined Color Black