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Are there any good 5 bolt 130 BCD 11 speed chainrings?
11-speed has the same roller width as 9- and 10-speed, so if you're using non-matching rings anyway then using 9/10-speed ones won't create any additional problems. Stronglight would be the usual #tester_approved option, the basic Zicral ones (avoid the Dural, they're a false economy) will be about £45 for a pair. Stronglight CT2 from ACycles will be about £60 including shipping from France.
Are there any good 5 bolt 130 BCD 11 speed chainrings? Would like to keep using my current cranks, but spending ~£80 on a pair of FSA chainrings seems a false economy when I can just buy a new Ultegra crankset for £110