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New Shimano Dura-Ace will be 12 speed, wireless and... batteryless?

Shimano Dura-Ace
Image: Shimano
There have been predictions, rumours, speculation and an unconfirmed Instagram video leak by Remco Evenepoel, but now US patents filed by Shimano seem to confirm that the new Dura-Ace groupset will not only be 12 speed and wireless, but it could also use a piezoelectric element in the shifters instead of batteries. The patent application, […]