104BCD 64BCD Chainring Single/triple Speed MTB Chainring 3x9S 3x10S Bike Chainwheel for 27S 30S Bicycle Crankset Mtb Parts

104BCD 64BCD Chainring Single/triple Speed MTB Chainring 3x9S 3x10S Bike Chainwheel for 27S 30S Bicycle Crankset Mtb Parts

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