NEW 12-Speed Shimano GRX Di2, What You Need To Know!

After teasing us with new mechanical-only GRX groupsets, Shimano has finally brought its electronic Di2 shifting to the gravel-specific groupset.
But this isn’t the huge announcement we thought it would be, as Simon von Bromley explains…
Credits: Bike24
Chapters
00:00 Intro
00:44 Five Things You Need To Know
01:43 Shifters
03:15 Rear Derailleur
04:47 Front Derailleur
06:42 Other Components
09:07 What Is Missing?
10:12 Pricing
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[@nuttynut722]

clearly Bikerader have better relationship with shimano than GPlama

[@veloperso5314]

That's a good thing to have a double chainring groupset. Gravel bikes are made for high mountain climbs and climbing for 2 hours means there are less frictional losses with using a double chainring. Single chainring is fantastic when speed if changing all the time.

[@AllanPhillips]

Thanks for a great overview - all the facts, none of the fluff.

[@adderhoney]

One of my bikes has Di2 105, but I never feel comfortable taking it on really long rides. For a long distance gravel / backpacking bike, I always use a bike with a mechanical groupset. I just feel like the mechanical groupsets have better reliability.

[@martinkroutil]

No 165mm and 160mm crank length options is a masive fail from me on GRX.

[@christophertan3195]

agreed.. the GRX 610 crank has 165mm though

[@corentinvaslin6443]

"available in 2 by only" Seems to be the coming back of the multiple front gears Love it ♥️😅💗👍💓💪

[@kuma_score7536]

2x is great but options are even greater especially with the increase in 1x only framesets and the people who simply prefer 1x... like me

[@petersouthernboy6327]

1x is here to stay, OP.

[@tonyg3091]

@@kuma_score75361x makes zero sense if you have 46-30 crankset and 40t cassette. No 1x in the world beats that.

[@michaelgunawan2319]

Thank God it still has wires. Wouldn't be interested otherwise.

[@TomRucero]

I wonder if the reason why Shimano didn't create a 1x for this is, it can be paired with Deore Di2 RDs?

[@tonyg3091]

Someone please tell the “geniuses” from Shimano that ALL a gravel bike needs is 46/30 crank and 40t cassette. Maybe even 42

[@loko__loko]

di2 grx levers interchangeable with 105/ultegra/duraace rd/fd (like axs)?

[@christophertan3195]

yep

[@jamescourier1545]

GRX 12S 800 series mechanical shifts incredibly well. Not sure of the gain here other than a lighter wallet.

[@WerdnaLiten]

Unless you race, I don't know why you'd worry about the small amount of extra weight.......

[@AverageJoe97]

I literally see a wire.

[@CM-nq8cs]

Why no 1x option

[@TrickyTree84]

Sram copied shimano because shimano had it on the prv gen

[@petersouthernboy6327]

I don’t see SRAM copying much of anything - IMO, Shimano better start copying SRAM if they want to keep up.

[@TrickyTree84]

@@petersouthernboy6327 lever ergonomics, shifter buttons with computer control, brake feel, auto trim (must be licenced) are all things on SRAM red "copy" from Shimano current and prv gens. Tbh the entire Chian, and cassette in the sram system is a complete carbon copy of the Shimano original, without the superior hyper glide, because that has a patent. I do agree that in terms of ratios and choice SRAM are ahead for the higher level cyclists, but Shimano is miles and miles ahead in the mass market. Also I have zero interest in wireless. Wired is better unless you are a mechanic

[@twinsenx0]

Second

[@Leandrinchen]

First 🎉