Stiffness and durability For frames with a 44mm upper and 49.70mm lower head tube, HS 44ZS upper – 49EC lower 20 mm insertion for the lower cup for better stiffness and durability.
Supplied with star nut, bolt and cap.
HxR Components Tapered 44ZS / 49EC headset
€69.00 Regular Price
€40.00Sale Price
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