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FSA No.10 Internal Headset

Internal headsets are available for 1 1/8”, 1 ¼”, 1.5”, and tapered steerer tubes. Internal headsets are sometimes referred to as Zero Stack (ZS) because both cup and bearing is housed entirely inside the headtube.

Specifications:

  • For 50mm OD headtube
  • Ø5/32"x20 caged ball bearings
  • 1-1/8" steerer
  • Alloy custom top cap

Buy FSA No.10 Internal Headset from Chain Reaction Cycles, the World’s Largest Online Bike Store.

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