Ritchey Comp Headset Upper 15.3mm IS52/28 Black L Uses a Universal Presta Valve

Uses a Universal Presta Valve Core

Rugged durability comes naturally to the XX Eagle T-Type direct mount chainring

20mm OD plug/30mm OD end cap (MTB)

Cyclocross and road touring cantilever design

Intended use: loose loose over hard medium Flat Protection Tread and Sidewall TPI 60 Color Black Defined Color Black ISO Width (mm) 64 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Ritchey Comp Headset Upper 15.3mm IS52/28 Black L Uses a Universal Presta ValveSealed cartridge bearings that drop directly into the head tube Upper includes top cap Lower includes crown race Model Comp Upper S. H. I. S. IS52 28. 6 Stack 8. 3mm Upper Lower Upper Color Black