This Black Bearing IS41 lower headset bearing assembly replaces the lower bearing in a 1-1/8 in steerer headset.

Highlights

  • IS41 bearing standard (41 mm OD)
  • Integrated (IS) — the bearing sits directly in the frame or fork with no separate pressed cup
  • For a 1-1/8 in steerer

Headset details

Standard: IS41 (Integrated (IS) — the bearing sits directly in the frame or fork with no separate pressed cup). Position: Lower. Steerer: 1-1/8 in.

Compatibility & fit

Fits an IS41 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.
  • IS41 bearing standard (41 mm OD)
  • Integrated (IS) — the bearing sits directly in the frame or fork with no separate pressed cup
  • For a 1-1/8 in steerer
StandardIS41
PositionLower
Steerer1-1/8 in
Bearing OD41 mm
SKU SCV-BBHS-HE-IS41-30
Brand Black Bearing

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