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The Columbus Compass Semi-Integrated Headset 1-1/4" combines a ZS44 zero-stack upper with an EC44 external lower cup (ZS44-28.6 / EC44-33), suited to frames with a semi-integrated head tube and 1-1/4" lower taper. Precision 45° stainless steel ACB bearings provide smooth, reliable steering. Please verify frame compatibility before ordering.
Free shipping on eligible orders over €150 / $150 (EU & US - includes apparel, accessories, racewear, and bar tapes).
Orders shipped outside the EU: customs duties, import taxes, and tariffs are the customer's responsibility and are payable on delivery.
Shipments refused due to unpaid duties: return shipping, carrier clearance fees, and any duties incurred will be deducted from the refund. If these costs equal or exceed the order value, no refund is issued.
