Please stop riding the below models immediately. We advise our customers to also stop riding 4iiii and Stages Powermeter versions also and to follow the information below. 


Shimano Europe has implemented a voluntary inspection and replacement program only for these road cranksets produced before July 2019 for a possible bonding separation issue. Shimano Europe has now received the finalised approval from the European safety authorities to publish its own safety notice relevant to the European region.



Models for Inspection


  • Ultegra FC-6800
  • Dura-Ace FC-9000
  • Ultegra FC-R8000
  • Dura-Ace FC-R9100
  • Dura-Ace FC-R9100P


All crank lengths and chainring combinations are subject to inspection

Models purchased prior to July 2019

Location of model number and production code

Before removing the crankset from the bicycle, confirm that the model number and production code match one of the target crankset models. Please do not remove the cranks before speaking with a dealer. Please stop riding immediately. 




Production Code for Inspection




What to do if you have an affected model?


If you have an affected model you should visit your local shimano dealer for a resolution. If Sigma Sports is your local dealer please reach out to warranty@sigmasports.com with your order number and Shimano Recall in the subject of the email. We will then reach out to you to confirm the next steps. 


If you are unsure if you have an affected model please discuss with your local dealer. If Sigma Sports is your local dealer we can assist you with this by emailing warranty@sigmasports.com. 




Should you like more information on the topic, an official Shimano Inspection Program help line has been created to assist you with any procedures related to Shimano’s bicycle crank inspection program.


The numbers below are available to call, but are not toll-free, regional tariffs may apply. At the moment Dutch and English language support will be offered, with additional languages to follow as soon as possible.


International: +31792077017

United Kingdom: +441174094110


Please find more information about the crankset inspection method on si.shimano.com.