· Recall
Shimano Ultegra R8170 Hollowtech II crankset
Recall date:
What is the problem?
Affected cranksets may exhibit bonding failure between the two halves of the crank arm, causing the arm to separate during use. This can lead to crashes and serious injury.
What should you do?
Stop using the bike immediately if your crankset matches the affected models and date codes. Contact your nearest Shimano dealer for a free inspection. Affected cranksets will be replaced under warranty.
Contact: Visit https://bike.shimano.com/inspection to enter your serial number and locate a participating dealer.
Which products are affected?
- Manufacturer
- Shimano
- Product
- Ultegra R8170 Hollowtech II crankset
- Models
-
- FC-R8170 165mm
- FC-R8170 170mm
- FC-R8170 172.5mm
- FC-R8170 175mm
- Years affected
- 2021, 2022, 2023
- Serial numbers
- Manufacturing date codes between KF and LD (June 2019 — June 2021)
- Geographic scope
- Worldwide
- Issued by
- CPSC + manufacturer-initiated
Type of hazard
Crank arm separation
⚠ Injuries reported. Multiple incidents reported globally including reports of injuries.