People seem to forget the option of associated Tungsten carbide diff balls. Works great for me and A LOT cheaper compared to the ceramic ones.
The LRP BL setup works fine for me, but it's worth to wait for the X11 generation, The main difference is that it uses an oversized front bearing like Novak. I have a 4* and 3* motor. The 4* has tons of power, but the 3* would be the more sensible choice for most tracks.
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