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Shimano Sora 3503 Crankset 50/39/30t Chainring 170mm Crank With Bottom Bracket 9/27 Speed Road Bicycle Folding Bike Crankset - Bicycle Crank & Chainwheel - AliExpress
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Shimano Sora 3500 3503 Crankset 170mm 50t/39t/30t With Bbrs500 Road Bike Bicycle 3x9 Speed Cassette 11--28t Groupset - Bicycle Derailleur - AliExpress
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compatibility - Why is the Shimano R3030 FD not compatible with the 3503 FC? - Bicycles Stack Exchange
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