Running a 160mm rotor on a flat mount fork designed for 140mm requires an adapter that positions the caliper 10mm further from the axle centerline. The Campagnolo Flat Mount Disc Brake Adapter handles this spacing adjustment while maintaining the rigid caliper-to-fork interface that flat mount systems are designed to provide. Unlike post mount adapters that stack spacers and introduce flex, this machined aluminum plate bolts directly to your fork's flat mount tabs and presents a new mounting surface at the correct offset for the larger rotor diameter.

Campagnolo designed this adapter with a flip-flop orientation that serves both 140mm and 160mm rotor configurations from the same piece. Install it one direction for 140mm rotors, flip it over for 160mm. That reversibility means you can experiment with different rotor sizes without buying separate adapters, which is useful if you're trying to dial in your braking setup for different riding conditions or terrain. The adapter works with all Campagnolo flat mount calipers including the current Super Record 13, Super Record Wireless 12-speed, Record, Chorus, and Ekar systems.

The front-specific design accounts for the different geometry between fork and frame flat mount interfaces. Fork mounts use a 70mm bolt spacing and the caliper hangs below the mounting surface, which requires different adapter geometry than rear chainstay mounts where the caliper sits beside the dropout. Using the wrong adapter type means your caliper won't align with the rotor centerline, so matching front adapters to front applications matters for proper brake function.... Read More