Shimano Crank Recall and Replacement Process

A bicycle with a chain attached to it.

Shimano, a renowned brand synonymous with quality and safety in cycling components, has recently issued a global voluntary recall for its Ultegra and Dura-Ace hollowtech cranks. This recall aims to address a potential safety issue with bonded 11-speed Hollowtech II road cranksets. According to the latest news, approximately 760,000 cranks are affected globally.

In this article, we will provide a detailed timeline of events, affected countries and regions, as well as an overview of the Dura-Ace and Ultegra groupsets.

Timeline and Affected Countries/Regions

  1. Recall Announcement – Shimano, with a commitment to safety, announces a voluntary inspection and replacement recall for its 760,000 Dura-Ace and Ultegra bonded 11-Speed road cranksets worldwide.
  2. Reason for Recall – The recalled bonded crank parts have the potential to separate and break, posing a crash hazard to consumers.
  3. Original Incidents – Prior to the recall, the US and Canada alone reported 4,519 incidents of cranksets delaminating, resulting in six injuries.
  4. Recall Date – The recall was issued after multiple incidents of cranksets delaminating and is effective from a certain date mentioned by the company.

“Shimano will replace any crank arm that fails the inspection process. This inspection is designed to determine whether the crank arms show a possible bonding separation issue and to swiftly remove any possible safety hazard to our consumers.” To learn more about the recall process and step by step procedure, head on through the official Shimano website recall announcement.

Overview of Dura-Ace Groupset

The Dura-Ace groupset by Shimano is a top-tier offering known for its exceptional performance and cutting-edge technology. Here are some key features, variations, gearing options, and pricing details:

  1. Features – The Dura-Ace groupset boasts lightweight and durable construction, providing optimal power transfer and improved shifting precision. It incorporates advanced materials and engineering techniques to enhance performance and reliability.
  2. Variations – The Dura-Ace groupset is available for both mechanical and electronic drivetrains, catering to the preferences of different cyclists. It offers an extensive range of components, including shifters, derailleurs, brakes, and cassettes.
  3. Gearing Options – The Dura-Ace groupset offers various gearing options to suit different riding styles and terrains. Cyclists can choose from a wide range of cassette combinations and chainring sizes to optimize their bike’s performance.
  4. Pricing – As a high-end groupset, the Dura-Ace range comes with a corresponding price tag. The cost varies depending on the specific components chosen, but it generally reflects the superior performance and quality associated with the brand.

Overview of Ultegra Groupset

The Ultegra groupset from Shimano is renowned for its exceptional performance, durability, and value for money. Here are some key features, variations, pricing, and notable characteristics:

  1. Features – The Ultegra groupset inherits many technologies from the top-tier Dura-Ace range, offering high-performance components at a more affordable price point. It combines lightweight design, precise shifting, and excellent braking power.
  2. Variations – Similar to the Dura-Ace range, the Ultegra groupset is available for both mechanical and electronic drivetrains. It offers a wide range of components, including shifters, derailleurs, brakes, and cassettes, catering to different riding preferences.
  3. Gearing Options – The Ultegra groupset provides cyclists with versatile gearing options. Riders can choose from various cassette combinations and chainring sizes, allowing for customization based on their specific cycling needs.
  4. Pricing – The Ultegra groupset is positioned as a mid-range offering, providing exceptional performance at a relatively more affordable price compared to the Dura-Ace range. The cost varies depending on the specific components selected.


Shimano’s voluntary recall of Ultegra and Dura-Ace road chainsets highlights the company’s commitment to ensuring safety and maintaining product quality. The recall addresses potential issues with bonded crank parts that may separate and break, posing a crash hazard. It is essential for owners of affected cranksets to promptly inspect and replace the parts as necessary.

The Dura-Ace groupset, known for its top-tier performance, offers a wide range of features, variations, and gearing options to cater to the needs of professional cyclists. On the other hand, the Ultegra groupset provides exceptional performance at a more affordable price point, making it a popular choice among both enthusiasts and amateur cyclists.

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