Ritchey Logic Comp 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Model=R539 5" Color Black ISO Diameter

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

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5 Closure Lace Activity Cycling

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6mm cable x 1

Ritchey Logic Comp 1-1/8" Threadless Headset: EC34/28.6 EC34/30 Black Model=R539 5" Color Black ISO DiameterRitchey 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