Originally Posted by Jonathan Paulk

I bought a FT B4.1 right after it was release, and I do believe the anti-squat shims were open. I bought a new FT SC10 two weeks ago and those were not open. I just cut out a section to make them open. Just make sure the bolts are tight and they should not come out. I have noticed sometimes those do come loose after some hard landings/cased jumps.