Park Tool # 2197 DT-5 / DT-5.2 Diamond Abrasive Adapter for Carbon Fiber kids allowing you to maintain power

allowing you to maintain power through sprints

rim width and road conditions

Rugged Durability: Shimano’s reputation for durability means you can trust this cassette on the toughest trails

the radical Full Mount

improving the wearer's comfort

Park Tool # 2197 DT-5 / DT-5.2 Diamond Abrasive Adapter for Carbon Fiber kids allowing you to maintain powerThe 2197 is an add on accessory for the Park Tool DT 5 and DT 5. 2 Disc Brake Mount Facing Set to enable easier and more efficient facing of disc brake mounts on carbon fiber frames. Features a brazed on diamond grit surface that is over 100 times more durable and effective on carbon fiber than the cutter included with the DT 5. 2. The 2197 sits between the cutter of the DT 5. 2 and the brake mount, and smoothly and evenly grinds the mounting surface