In this episode, Jack Luke sits down with hardcore roadie turned gravel dad, Simon von Bromley, to discuss the missing 1x version of Shimano’s 12-speed GRX Di2 groupset.

With images of potential new XTR Di2 parts leaking online in recent months, we’ve been wondering what it could mean for the next generation of 1x GRX Di2 – something conspicuous by its absence in Shimano’s gravel line-up.

The duo ponder what a fully wireless XTR could mean for GRX and Shimano’s other 12-speed Di2 ranges, why Shimano’s enormous product ecosystem can appear so confusing from the outside, and what features they think would be essential in any new 1x GRX Di2 groupset.

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The essential features we want to see in the next 1x Shimano GRX Di2 groupset