Thought the holes allowed gas and dust to escape
The waves are to cut the pad to stop it glasing
I'd go standard disc and better pads
Waves do look trick though

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K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,