Can chain rings be interchanged?
Chain rings can be changed. Please use only Genuine Shimano Chain rings, and the chain ring adapter provided. Please have chain rings installed by your bicycle dealer.
(For the FC-6800 cranks, the system is not compatible with 46-36T chain rings.) Note also that when replacing chain rings, it is possible to damage the cable connecting the sensor to the transmitter by trapping it between the chain ring and the crank. Be careful not to pull the cable to forcefully when manipulating the chain rings, as this may also damage the product.
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