I'm hoping they expand their cassette portfolio. I'm not sure what the minimum is on Eagle but I think a 48x10-40 would be pretty versatile especially if you spaced it like 3T's "Bailout" cassette with small steps in the middle of the block and larger steps at the extremes. As you alluded to, they probably need to fill out their cassette portfolio if they want to effectively target the gravel market anyways.
For someone like myself that rides different bikes at different times of the year, assuming the 10-40 cassette materializes, I could have one rear derailleur, one set of aero wheels with a 10-40, one set of mtb wheels with a 10-50, two chains, and a single blip box (I've often fantasized about using blips to shift on my mtb, ymmv) and that setup would work furnish me with electronic shifting on a:
-TT bike
-Road bike
-Gravel bike
-Mountain bike
Not a bad deal when you amortize things over a large stable.
One "hack" to for people to think about since the blips are the same, TRP makes a hydraulic brake that incorporates blips into the hood:
https://www.trpcycling.com/...hylex-blip-adapters/
For someone like myself that rides different bikes at different times of the year, assuming the 10-40 cassette materializes, I could have one rear derailleur, one set of aero wheels with a 10-40, one set of mtb wheels with a 10-50, two chains, and a single blip box (I've often fantasized about using blips to shift on my mtb, ymmv) and that setup would work furnish me with electronic shifting on a:
-TT bike
-Road bike
-Gravel bike
-Mountain bike
Not a bad deal when you amortize things over a large stable.
One "hack" to for people to think about since the blips are the same, TRP makes a hydraulic brake that incorporates blips into the hood:
https://www.trpcycling.com/...hylex-blip-adapters/