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Why are my Shimano 105 11-speed shifter/derailleur acting like they're 10- speed? - Bicycles Stack Exchange
Any issues with installing 11-speed derailleur on/for 10-speed cassette. | Mountain Bike Reviews Forum
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Sensah 10 Speed Rear Shifter | Sensah 11 Speed Shifter | Sensah 12 Speed Shifter - Bicycle Derailleur - Aliexpress
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