OK. Here's someone posting here because I want to answer your question, not display my $1000 trackbike righteousness: I would use JB weld. red loc-tite is about as good but keep in mind:
1) clean your surfaces _very_ well. soap and water then chemicals, isopropyl at very least.
2) With loc-tite, the point of contact matters most of all. loc-tite is kind of thin and good for securing very small crevices like the area between two interlocking mechanical parts. (a cog and hub). The crap that oozes out can be wiped off IMHO; this kind of glue only does anything in very tight crevices.
3) using JB weld is kind of like, well, welding. you should leave all that ugly gray crap that oozes out onto the cog because it like the brazing holding the "weld" together. it hardens very tight and you get a little peace of mind when you can see your wheel being held together by something.
4) this stuff can break loose. it's happened to me. throw on a break.