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SHIMANO Zee M640 10 Speed 10S Shadow Rear Derailleur for Downhill Freeride All Mountain and Enduro|rear derailleur|shimano zee m640zee m640 - AliExpress
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Shimano ZEE RD-M640 Rear Derailleur (Black) (10 Speed) (Short Cage) (SSC/Downhill) (... - IRDM640SSC - In The Know Cycling
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Shimano Zee M640 Trigger Shifter + Rear Derailleur 10s 1 X 10 Speed - Bicycle Derailleur - AliExpress
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