The various Classified components are labelled with a serial number. You can find the serial number on the sticker on the components, behind S/N: xxxxxxx In this article we explain the location of the serial number of the ring shifter and how to remove the component from your bike to be able to check the number.
1. Location of the serial number
2. Check the ringshifter serial number
The ringshifter slides over the handle bar. To be able to see the serial number on the ringshifter you have to remove the grip from your handle bar.
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