Origin8 Pro Fit Threadless EC30/25.4|EC30/26 Headset CheckoutSpec= Trek Aluminum Model R 500 Size 700c

Model R 500 Size 700c Internal W 22mm Depth 25mm Hole 32 Brake Disc Type Tubeless Material Aluminum ERD 596mm Color Black Weight 495g Hub Drilling 32H

Contact Point Adjust and Tool-free reach adjustment for customized feel to each rider

CNC machined AL6061 cups

14mm nickel chromoly axle with 6mm broach

Origin8 Pro Fit Threadless EC30/25.4|EC30/26 Headset CheckoutSpec= Trek Aluminum Model R 500 Size 700cAL6061 T6 alloy cups. Sealed cartridge bearings. Weights include top cap and star nut TECH SPECS SHIS EC30 25. 4 EC30 26 Color Silver Weight 135g Steered OD 25. 4 Cup (mm) 30. 2 Race (mm) 26. 4 27. 0 Stack Height 30 Bearing Angle Size 1`