I recommend the stainless breaklines - you have a much finer pressurepoint at breaking. they are tighter than the original (aged) lines and hold for a long time. My back-brake on the 660Z was just in mode: off or really fast fully on. There the difference was significant. In front just finer to handle.

I'm riding them on all bikes.

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2008 660Z with many many mods
1985 600Z in white/red with nearly no mods
1992 TT600 59X in black for the real dirt