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Why are my Shimano 105 11-speed shifter/derailleur acting like they're 10-speed? - Bicycles Stack Exchange
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Shimano 105 Fd R7000 F Front Derailleur 2x11 Speed Bicycle Front Derailleur 5800 5801 Braze On 31.8mm 34.9mm Clamp Band - Bicycle Derailleur - AliExpress
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