Ritchey Logic Comp 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Model=R539 5 Closure Lace Activity Cycling

5 Closure Lace Activity Cycling

6mm cable x 1

ABS1 Pro Flip-Head chuck quickly flips between Presta and Schrader valves and features internal valve core tool for removing and tightening cores for tubeless systems

5" Color Black ISO Diameter 584 / 650b / 27

Cross Bar Compatibility Square Cross Bar Compatibility Round Cross Bar Compatibility Aero Cross Bar Compatibility Factory Mount Type Fork Thru-Axle Compatible Yes Bike Weight Limit (per bike) 45

Ritchey Logic Comp 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Model=R539 5 Closure Lace Activity CyclingRitchey Logic Comp 1 1 8" Threadless Headset: EC34 28. 6 EC34 30 Black. Logic Threadless HeadsetOversize lower bearing to handle loads Deep cups for solid insertion TECH SPECS Color Black Lower Stack Height 13. 2 Bearing Type Cup and Cone Crown Race 30 Weight 108 Defined Color Black Upper Stack Height 15. 7 S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34