Park Tool DT-5.2 Disc Brake Mount Facing Set Nutrition 5" external cup headsets

5" external cup headsets

The one-piece machined steel construction makes the RED XG-1290 E1 significantly more durable than its lightweight 180g weight suggests

Offset - 6

CNC machined

Lightweight: made of a flexible material that doesn’t retain water when wet

Park Tool DT-5.2 Disc Brake Mount Facing Set Nutrition 5" external cup headsetsThe tight tolerances of modern bicycle disc brake systems require precise alignment of all components in order to ensure proper performance, and yet the brake mounts on many bike frames and forks are often misaligned. The Park Tool DT 5. 2 is a precision tool system engineered to accurately face disc brake mounts so they are perfectly aligned to the rotor. The DT 5. 2 faces any IS mount, post mount, or flat mount style brake mounts, including low