Eagle-eyed sleuths have spotted what look to be new SRAM mountain bike brakes on Ben Hildred's bike. Hildred is currently on a mission to climb ten thousand human-powered feet a day for one hundred ...

These could hint at backward compatibility with current-generation 12-speed Di2 GRX groupsets, allowing for 1x12 gravel ... typical with Shimano, the tech implemented on the new XTR Di2 will ...