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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
0mm uninstalled wall thickness | 135mm long
Ergonomic molded cuff for remarkable side hold with good freedom of movement to the front and back
Maximize your bicycles chain life and enjoy a cleaner
37 BB/Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 105 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type RaceFace EXI Spindle Interface Type FSA MegaExo Defined Color Blue
Safe for carbon steel titanium and aluminum bikes and forks
Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black Weight (oz)-17.6 0mm uninstalled wall thickness |Premium Wolf Tooth headset allows shift and brake housing to run internal below the stem Five layer weather sealing to keep internals clean include: Custom molded captive rubber seal at the cable entry ports, custom overmolded dual lip crown race seal interface with frame or EC44 cup, steer tube o ring seal, silicone dual lip bearing seals Enduro stainless bearings 7. 8mm upper stack Made in MN, USA Model Semi Internal Aero Headset S. H. I. S. IS52 40
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