Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black MFPN=ZA4087 Anti-aging side wall compound prevents

Anti-aging side wall compound prevents cracking at low pressure

Double butted 6061-T6 aluminum construction

SRAM Model ID: HB-DESC-RC1-B1

These durable pedals install like any other pedals and are easy to transfer between bikes

Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black MFPN=ZA4087 Anti-aging side wall compound preventsPremium 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