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Shimano ZEE M640 Crankset (Black) (1 x 10 Speed) (Bottom Bracket Included) (170mm) (36T) - Performance Bicycle
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Amazon.com : SHIMANO RD-M640 Zee Shadow Plus 10 Speed Rear Derailleur (Use with 11-23/11-28 Cassette) : Rear Bike Derailleurs : Sports & Outdoors
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