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Shimano Ultegra 6800 Fc-6800 50-34t 53-39t 46-36t 11 Speed 170mm/172.5mm/175mm Crankset Road Bike Crank With Bbr60 - Bicycle Crank & Chainwheel - AliExpress
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Bicycle Components & Parts 11 speed Shimano Ultegra FC-6800 Chainring 50T for 50-34T Cycling OP7060988
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Shimano Ultegra FC-6800 Chainrings (Black) (2 x 11 Speed) (110mm BCD) (Outer) (53T) - Y1P498080 - In The Know Cycling
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