![compatibility - Why is the Shimano R3030 FD not compatible with the 3503 FC? - Bicycles Stack Exchange compatibility - Why is the Shimano R3030 FD not compatible with the 3503 FC? - Bicycles Stack Exchange](https://i.stack.imgur.com/21nOR.png)
compatibility - Why is the Shimano R3030 FD not compatible with the 3503 FC? - Bicycles Stack Exchange
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Shimano Sora Fc-3550/3503 Bike Bicycle Crankset, 170 Mm, 50/34t - Bicycle Crank & Chainwheel - AliExpress
![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 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](https://ae01.alicdn.com/kf/HTB15A3VPBLoK1RjSZFuq6xn0XXae/SHIMANO-SORA-3503-Crankset-50-39-30T-Chainring-170mm-Crank-With-Bottom-Bracket-9-27-Speed.jpg)
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
![New And Original Shimano Sora Fc-3503 Triple Crankset Bike Bicycle 3x9 Speed Crankset 50/39/30 170mm Teeth With Bb - Bicycle Crank & Chainwheel - AliExpress New And Original Shimano Sora Fc-3503 Triple Crankset Bike Bicycle 3x9 Speed Crankset 50/39/30 170mm Teeth With Bb - Bicycle Crank & Chainwheel - AliExpress](https://ae01.alicdn.com/kf/HTB1zwsjKgmTBuNjy1Xbq6yMrVXav.jpg)
New And Original Shimano Sora Fc-3503 Triple Crankset Bike Bicycle 3x9 Speed Crankset 50/39/30 170mm Teeth With Bb - Bicycle Crank & Chainwheel - AliExpress
![Shimano Sora 3500 3x9v Groupset Fc-3503 Crankset 50-39-30t 165, 170, 175mm Bb-rs500 Bottom Bracket Road Bicycle Original Parts - Bicycle Crank & Chainwheel - AliExpress Shimano Sora 3500 3x9v Groupset Fc-3503 Crankset 50-39-30t 165, 170, 175mm Bb-rs500 Bottom Bracket Road Bicycle Original Parts - Bicycle Crank & Chainwheel - AliExpress](https://ae01.alicdn.com/kf/Hf0d27babda6a437695aa9d04aa354663M/SHIMANO-SORA-3500-3x9v-Groupset-FC-3503-Crankset-50-39-30T-165-170-175mm-BB-RS500.jpg_.webp)