NEW Zipp Service Course SL Stem - 31.8 Clamp, 1 1/8", Aluminum, Matte Black, B2 height_5ft-01in The adjustable head basket is

The adjustable head basket is ponytail friendly

Cutouts on the outer links of the Flattop chain shed weight

and precisely manufactured to gently adjust bent or damaged brake rotors

SIZING: Surly recommends size Large for riders 5'11" - 6'3"

NEW Zipp Service Course SL Stem - 31.8 Clamp, 1 1/8", Aluminum, Matte Black, B2 height_5ft-01in The adjustable head basket isThe Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape thats strong and lightweight, resulting in a 1. 85 grams per newton meter of stiffness. That results in no flex sprints and accelerations. Forged AL 7075 Machined and relieved faceplate Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment Bar Clamp Diameter (mm) 31. 8 Defined Color Black Material Aluminum S. H. I. S.