This Black Bearing ZS49 lower headset bearing assembly replaces the lower bearing in a 1-1/8 in steerer headset.

Highlights

  • ZS49 bearing standard (49 mm OD)
  • Zero-stack (ZS) — the cup sits mostly recessed into the frame or fork, nearly flush with the outside
  • For a 1-1/8 in steerer

Headset details

Standard: ZS49 (Zero-stack (ZS) — the cup sits mostly recessed into the frame or fork, nearly flush with the outside). Position: Lower. Steerer: 1-1/8 in.

Compatibility & fit

Fits a ZS49 lower headset seat with a 1-1/8 in steerer only — check your frame or fork's headset standard before ordering. Tune Cycles can confirm your headset standard and fit this as part of a headset service.

We could not confirm a published warranty term for this line, so cover here is against manufacturing defects, with remedies as required under Australian Consumer Law. For warranty support, return the product to Tune Cycles and we'll manage the claim with Black Bearing's Australian distributor.
  • ZS49 bearing standard (49 mm OD)
  • Zero-stack (ZS) — the cup sits mostly recessed into the frame or fork, nearly flush with the outside
  • For a 1-1/8 in steerer
StandardZS49
PositionLower
Steerer1-1/8 in
Bearing OD49 mm
SKU SCV-BBHS-HE-ZS49-30
Brand Black Bearing

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