Counterfeit Product Notice

Crankbrothers has become aware of counterfeit M-series tools (M19 and M17 tools) being sold by unauthorized sellers on Amazon, eBay and Alibaba. We are taking action to identify and prosecute sellers of counterfeit products on these and other online platforms.


We stand strongly behind the quality of our products, and furthering our mission to create products that improve the ride experience. The best way to ensure that you have purchased genuine Crankbrothers products is to shop at an authorized Crankbrothers bicycle retailer or at


Please reference this document on how to identify these counterfeit products. If you believe you have purchased a counterfeit product please report the issue to our service department through our online help desk.