2179 - IS Mount Cutter DT-5.2

The IS Mount Cutter component is a precision cutting head for the Park Tool DT-5.2 Disc Brake Mount Facing Set, delivering the exacting tolerances required for optimal brake rotor alignment. The cutter ensures IS-mount interfaces achieve perfect perpendicularity with rotor planes, eliminating rub and enhancing braking performance across diverse drivetrain configurations. Compatible with the DT-5.2's telescoping adapter system for multiple axle standards, this replacement head maintains professional-grade facing capability essential for high-performance brake service and warranty-compliant installations.