How do I tell if mine is affected?

11-Speed Bonded Hollowtech II Road Cranksets in models FC-6800, FC-9000, FC-R8000, FC-R9100, and FC-R9100P manufactured before July 2019 (bearing one of the listed two-letter production codes KF–RF on the back of the crank arm where the pedals attach), sold individually or on complete bikes from brands such as Trek and Specialized; affected arms are printed with 'Ultegra' or 'Dura-Ace' logos.

What should I do about it?

Stop using the crankset immediately and contact an authorized Shimano dealer for a free inspection; if bonding separation or delamination is found, a free replacement crankset and installation will be provided.

When was this recall issued?

The notice is dated 2023-09-21. A recall does not expire — if your unit is in scope it still applies.

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Safety recall · September 21, 2023

Shimano Ultegra FC-6800, Dura-Ace FC-9000, Ultegra FC-R8000, Dura-Ace FC-R9100, FC-R9100P

What can fail

The bonded crank parts can separate and break, posing a crash hazard to riders.

Is this yours?: 11-Speed Bonded Hollowtech II Road Cranksets in models FC-6800, FC-9000, FC-R8000, FC-R9100, and FC-R9100P manufactured before July 2019 (bearing one of the listed two-letter production codes KF–RF on the back of the crank arm where the pedals attach), sold individually or on complete bikes from brands such as Trek and Specialized; affected arms are printed with 'Ultegra' or 'Dura-Ace' logos.
What to do: Stop using the crankset immediately and contact an authorized Shimano dealer for a free inspection; if bonding separation or delamination is found, a free replacement crankset and installation will be provided.

What was recalled

Recalled Shimano Hollowtech Road location of two-letter date code on crank arm
Photo: CPSC
Recalled Shimano Hollowtech Road Ultegra FC-6800 Crankset
Photo: CPSC
Recalled Shimano Hollowtech Road Dura-Ace FC-9000 Crankset
Photo: CPSC
Recalled Shimano Hollowtech Road Ultegra FC-R8000 Crankset
Photo: CPSC
Recalled Shimano Hollowtech Road Dura-Ace FC-R9100P Crankset
Photo: CPSC
Recalled Shimano Hollowtech Road Dura-Ace FC-R9100 Crankset
Photo: CPSC

Official releases

Common questions

How do I tell if mine is affected?: 11-Speed Bonded Hollowtech II Road Cranksets in models FC-6800, FC-9000, FC-R8000, FC-R9100, and FC-R9100P manufactured before July 2019 (bearing one of the listed two-letter production codes KF–RF on the back of the crank arm where the pedals attach), sold individually or on complete bikes from brands such as Trek and Specialized; affected arms are printed with 'Ultegra' or 'Dura-Ace' logos.
What can go wrong?: The bonded crank parts can separate and break, posing a crash hazard to riders.
What should I do about it?: Stop using the crankset immediately and contact an authorized Shimano dealer for a free inspection; if bonding separation or delamination is found, a free replacement crankset and installation will be provided.
When was this recall issued?: The notice is dated 2023-09-21. A recall does not expire — if your unit is in scope it still applies.

Source: U.S. Consumer Product Safety Commission (CPSC), public-domain recall data. Quiver is not affiliated with or endorsed by the CPSC. We match recalls by brand and part type — confirm your exact unit against the official notice before acting.