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Shimano Octalink Fc-r345 Crankset 50t/ 34t Double Dual Chainring Crank 170mm - Bicycle Crank & Chainwheel - AliExpress
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Shimano FC-R345 Compact Crankset 2x9-speed - 50/34T with BB, Sports Equipment, Bicycles & Parts, Bicycles on Carousell
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Shimano FC-R345 FC-2350 Y1M834000 Repair Parts Chainring 34T (Silver) : Sports & Outdoors - Amazon.co.jp
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