Trial-World Disc Mount Facing
A rectangular respectively parallel flat mount for your brake caliper is a fundamental precondition for a grind free brake with best braking performance.
We face your PM- or IS-brake mounts on frame or fork with most modern, professional tool 100% flat.
(All frames and forks carbon or aluminium)
Most original factory provided frames and forks need this procedure.
Ex works most disc rotors of all brands are not 100% flat and Hope Trial Zone calipers brake calipers have cause of your ratio a very small air gap to its rotor!