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Jockey wheel system 8000/9100, Red, for Shimano 10S/11S, 12+16T with ceramic bearing
801417
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Oversized Schaltungsrädchen with ceramic bearings for Shimano 10/11-speed derailleurs with 14 and 16 teeth. Only suitable for Shimano Ultegra 8000 & Dura Ace 9100 10/11-speed rear derailleurs (mechanical and electronic).
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