Transmission upgrade

PB Forum :: Road Cycling and Touring
Transmission upgrade
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Posted: Feb 18, 2021 at 12:11 Quote
Hi !

I would like to upgrade to electronic, the transmission on my bike, which is currently full 105 2x11.

I would like to know if there are other options than Shimano Di2 if I want to keep my current crankset.

Thanks !

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