RITCHEY LOGIC Comp 1-1/8" Threadless Headset All Frameset XS S M L XL

XS S M L XL S1 460 480 510 540 570 S 407 430 460 498 523 T1 515 533 550 566 585 T 500 517 533 550 568 Head Tube 110 120 145 160 185 a° 71 72 72

SHIMANO's DEORE XT RT-RT800 compact and lightweight disc brake rotors feature rapid heat dissipation thanks to ICE TECHNOLOGIES FREEZA heat management system

Dimensions H: 16mm x W: 37mm x L:53mm

It also matches the wider pitch of the new R8000 crank

RITCHEY LOGIC Comp 1-1/8" Threadless Headset All Frameset XS S M L XLThe Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion. Crown Race: 30mm. S. H. I. S. Stem Clamp Diameter: 28. 6mm (1 1 8") Threadless. Bearing Type: Cup and Cone. S. H. I. S. Lower: EC34. S. H. I. S. Upper:: Black. Lower Stack Height: 13. 2mm. Weight: 108g. Upper Stack Height: 15. 7mm.