Amazon.com: Miche Lightweight X-Carbon alloy Bianchi bicycle bike Seatpost saddle Clamp Fits 35.2 to 35.6mm black 29g : Sports & Outdoors
HY UltraLight Zero Offset Carbon Seatpost T800 for Bianchi OLTRE XR1,XR4,XR3,XR2&Aquila 128g*360mm - AliExpress
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Mid 80's Bianchi Road Bike Frame/Fork/Seat/Seatpost For Sale
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Bianchi on X: "#OltreXR3 features aero seatpost with integrated look and adjustable head clamp and hidden seatpost clamp for perfect aerodynamic design. https://t.co/t7WcQXtNCd" / X
BIANCHI Reparto Corse UD Carbon Aero Seatpost OLTRE XR1,XR2,XR4 350mm {P5} » Labex Electrolarynxes