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JGbike Elite Round Oval Chainring 104mm BCD 30T 32T 34T 36T 38T Narrow Wide Single Chainring for 8 9 10 11 12 Speed MTB XC Trail e-Bike Fat Bike Mountain Bike Bicycle :
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Amazon.com : JGbike Compatible MTB groupset for Shimano Deore M5100 11 Speed shifters & Rear Derailleur, KMC X11 Chain,Sunrace 11-51T CS-M5100 Cassette : Sports & Outdoors
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