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microSHIFT R8 Bike Rear Derailleur 8, 9 Speed Short or Long Cage fits Shimano | eBay
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Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 2x - Mariposa Bicycles
Derailleur capacity - what is the max my derailleur can handle? -Techcenter
Understanding rear derailleur cage length | Mountain Bike Reviews Forum
Can I swap from 9speed 11-32T rear cogs to 11-42T 9speed Shimano Altus RD with Novatec d472tsbt hub and 36-22T crank without having a problem? I expect to change the chain. What
