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Shimano Tourney/TY Tourney TY200 Rear derailleur, 6/7-speed, Direct Attachment, SS Short cage : Sports & Outdoors - Amazon.com
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My daughter's Trek came with a 6-speed Shimano Revoshift SIS Index. It's a new bike. She can shift to higher gears easily but does not have the grip strength to shift back
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Shimano Tourney RD-TZ50 6-Speed Rear Derailleur (Direct- Attach) (Medium Cage) - Performance Bicycle
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Rear derailleur Shimano Tourney RD-TY21B Adapter 6-speed silver (code:ARDTY21BSSBS) ➤ Buy by price 11.59€ - Biketek
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Amazon.com : Shimano Tourney TY300 6/7-Speed Rear Derailleur with Dropout Claw Hanger : Sports & Outdoors
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Bicycle Derailleurs Shimano TY22 SIS Rear Derailleur 6/7 Speed Freewheel Shifter 18/21 Speed MTB Mountain Bike Accessories|Bicycle Derailleur| - AliExpress
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