If you've got a 10 speed cassette already then a 10 speed deore mech and shifter is probably best if you can find it, followed by actual SRAM stuff if you can find it, followed by dodgy stuff if you haven't got any other options.
@snottyotter started
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If you've got a 10 speed cassette already then a 10 speed deore mech and shifter is probably best if you can find it, followed by actual SRAM stuff if you can find it, followed by dodgy stuff if you haven't got any other options.