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mountain bike - How can you identify if a Shimano rear derailleur is medium or long cage? - Bicycles Stack Exchange
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Shimano Tourney RD-TY300-SGS Rear Derailleur - 6,7 Speed, Long Cage, Black, Shimano Rear Direct Mount - BikePartners Bike Shop
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Amazon.com : SHIMANO Deore RD-M5100-SGS Rear Derailleur - 11-Speed, Long Cage, Black : Sports & Outdoors
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SHIMANO DEORE RD M5120 Rear Derailleur SGS Long Cage 10 11 Speed MTB Bike Black 4550170618544 | eBay
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