Park Tool 2197 Diamond Abrasive Adaptor for Carbon Fiber 150g choose an aluminum backing plate

choose an aluminum backing plate if you're really counting the grams

Absorption system between the shell and the rail that highly reduces road shocks and vibrations

The chainring has a narrow/wide tooth profile

HIGH-STRENGTH BIODEGRADABLE FOAMING DRIVETRAIN CLEANER AND DEGREASE

Unidirectional Omni-ply layup with viscoelastic damping polymer

Park Tool 2197 Diamond Abrasive Adaptor for Carbon Fiber 150g choose an aluminum backing plateCompatible with post mount and flat mount disc brake mounts NOTE: The 2197 is intended for facing carbon fiber only. Aluminum, steel, and titanium disc brake mounts should be faced using the #2171 facing cutter included with the DT 5. 2. For carbon frames that feature aluminum inserts (with a carbon aluminum hybrid mounting surface), use the #2197. When machining carbon fiber, regularly apply water (or a similar solution) to the cutting surface.