FALL CLEAROUT: 50% OFF Ciele & 2XU Products
FALL CLEAROUT: UP TO 30% OFF Heini Running & Cycling
Starting from $4791.00.
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Prologue Fonzaso SL
The bike for life—premium titanium with modern tire clearance and custom geometry for every rider.
Named for the tranquil Italian village where Prologue’s founder perfected his craft alongside Sportful, the Fonzaso Disc embodies old-world road-riding soul and modern precision engineering—ready to be your lifelong ride, on every surface.
Geometry and Sizing
FALL CLEAROUT: 50% OFF Ciele & 2XU Products
FALL CLEAROUT: UP TO 30% OFF Heini Running & Cycling