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what d'you mean
It's cross-chaining, which is bad for efficiency and service life. If you feel the need for 39/11, use 53/15 instead.
See attached for worst-case examples, but with 2×11 you shouldn't need to use more than the 8 larger sprockets with the small ring and the 8 smaller ones with the big ring.
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gbj_tester
what d'you mean