Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black KOM Light TCS i30 Model Helix R Ring Type

Model Helix R Ring Type Single (Anti-Chain Drop) Mount 3-Bolt DM 3mm Offset Teeth 34 Oval/Round Round Color Gray

Ring Position/Type Chain Retaining Single Ring Tooth Count 30 Round or Oval Round Drivetrain Speeds 12 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Steel Defined Color Black Direct Mount Type Direct Mount CINCH

Sensifit: Providing extremely precise and comfortable foothold to feet ranging from narrow to wide

Temperature Range: All temperatures listed refer to snow temperatures

Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black KOM Light TCS i30 Model Helix R Ring TypePremium 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