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Amazon.com : Front Derailleur Adapter Aluminum Alloy Derailleur Clamp Tube Derailleur Clamp for Cycling Accessory(31.8mm / 1.25inch) : Sports & Outdoors
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Amazon.com : Venzo Road Or Mountain Bike Bicycle Adjustable Braze On Front Derailleur Adapter Clamp 28.6mm Compatible with Shimano Sram : Sports & Outdoors
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Venzo Road or Mountain Bike Bicycle Adjustable Braze On Front Derailleur Adapter Clamp 28.6mm, 31.8mm or 34.9mm - Compatible with Shimano Sram Black 31.8mm Ver.1
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Amazon.com : SRAM Braze-on Front Derailleur Clamp: 31.8mm with ChainSpotter Stop : Front Bike Derailleurs : Sports & Outdoors
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