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The Columbus Headset 737SS47 is a semi-integrated headset conforming to the ZS44-28.6 / EC44-40 standard — a 1-1/8" upper zero-stack cup paired with a 1-1/2" EC44 lower cup. Designed for use with XCR Rim, XCR Disc, and Hobootleg Geo frames. Stainless steel ACB bearings provide smooth, long-lasting performance.
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.
