Shimano GRX gravel group
https://www.cxmagazine.com/shimano-u...00-rx600-rx400
Particularly interesting, "interrupter" hydro brake levers: https://www.cxmagazine.com/wp-conten...azine-ay_1.jpg |
Shimano Dedicated Gravel Groupset
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Wow they are trying to put wolftooth out of business
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Shimano now has 1x.
There you go. -Tim- |
YEEEEEEEES!!!
Shimano FINALLY sells a 46/30 crankset!! https://gravel.shimano.com/en/components/di2-speed/ (and for those who care, 1x as well) BUT...with 12-speed about to be a thing any time now...this is again the World's Worst time to be releasing 11-speed parts. When gravel riding season is already under way and people have already bought kit for the year. |
Originally Posted by TimothyH
(Post 20918265)
Shimano now has 1x.
There you go. -Tim- |
Now it is Official no more cry babies in regards to Gravel. The very biggest of the big dogs has barked thus it must be true.
Anyone able to tell what they did here? is it just rebadged or a new way of doing things? I love it. |
Now another product I’m going to need :D I think I’m going to set up a go fund me page for bicycle component addicts.
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If I am reading their propaganda correctly, the new cranksets have a +2.5mm chainline that requires you to get the matching front derailleur (or maybe both, at least in the case of the Di2 version). They are also going to introduce in-line hydraulic brake levers later in the year.
The higher-end 48/31T crankset seems like an unusual gearing choice. |
Originally Posted by wgscott
(Post 20918338)
If I am reading their propaganda correctly, the new cranksets have a +2.5mm chainline that requires you to get the matching front derailleur (or maybe both, at least in the case of the Di2 version). They are also going to introduce in-line hydraulic brake levers later in the year.
The higher-end 48/31T crankset seems like an unusual gearing choice. |
Originally Posted by thehammerdog
(Post 20918298)
Anyone able to tell what they did here? is it just rebadged or a new way of doing things?
I love it. |
I'm seeing 48/31 & 46/30 as the two 2x choices across all marketing material, including all the stuff that's been given out to bike shop employees. So we'll have to wait and see if it's a typo or just a 17 tooth difference choice.
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Cranks look better than road cranks.
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Not a typo evidently: https://gravelcyclist.com/bicycle-te...CsARGqI2Ngizl8
“...RX810 series cranks offer Shimano’s widest-ever delta between small and large chainrings, a 17-tooth gap, that also debuts the company’s first ever 48-31T option. This, when paired with the available 11-34 cassette, offers an exceptionally low climbing gear while maintaining a 48-11 ratio that allows riders to take advantage of strong tailwinds and long descents..." |
Originally Posted by 5teve
(Post 20918484)
Not a typo evidently: https://gravelcyclist.com/bicycle-te...CsARGqI2Ngizl8
“...RX810 series cranks offer Shimano’s widest-ever delta between small and large chainrings, a 17-tooth gap, that also debuts the company’s first ever 48-31T option. This, when paired with the available 11-34 cassette, offers an exceptionally low climbing gear while maintaining a 48-11 ratio that allows riders to take advantage of strong tailwinds and long descents..." A 17T FD is just to odd to not be a typo. They're always 16T. |
Originally Posted by wgscott
(Post 20918338)
The higher-end 48/31T crankset seems like an unusual gearing choice.
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I was going to say this is completely unnecessary.
But the in-line hydraulic brake levers and changed pivot point for the brake levers are both pretty damned neat. |
It's been long enough since the CX50 and CX70 groups. Those had cantis!
The brake-dropper lever (bripper?) and the hydraulic interrupter are really clever. The chain line is for 135QR/142TA, which makes sense in context. I'm kind of surprised they didn't take this opportunity to do 1x12 and the new freehub like XTR, but I suppose that needs to percolate through DA first. Speculations about performance aside, I really like the styling. Shimano does a great job. The crank is like a classier version of the old Race Face cranks. |
One thing I'm not sure yet and cannot figure out anywhere. Will I be able to use the Shimano RD-RX812 rear derailleur with a 2x drivetrain. I'd love to have a 46-30 or 48-31 double crankset with an 11-42 cassete.
From reading shimano's not very intuitive website it seems like the RD-RX812 is for 1x applications with a 42t max cog and the RD-RX810 is for 2x applications with a 34t max cog. |
The dropper activation without having to hack the shifter is awesome.
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Originally Posted by MAGAIVER
(Post 20918561)
From reading shimano's not very intuitive website it seems like the RD-RX812 is for 1x applications with a 42t max cog and the RD-RX810 is for 2x applications with a 34t max cog.
The 11-42 is the XT M8000 version which means we'll have 11-42 cassettes around for at least another generation. Whew! Was worried they'd be Eagle'd away. But also means a road hub will need a spacer, since the MTB stuff never went away from the 8-9-10 speed freehub width. RD-RX810 Search in Compatibility https://bike.shimano.com//content/da...1_310_310.jpeg RD-RX812 https://bike.shimano.com//content/da...1_310_310.jpegRD-RX812 |
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Originally Posted by wgscott
(Post 20918338)
If I am reading their propaganda correctly, the new cranksets have a +2.5mm chainline that requires you to get the matching front derailleur (or maybe both, at least in the case of the Di2 version).
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Who ever heard of a 31 tooth sprocket? Front or rear?
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https://www.velonews.com/2019/05/new...vetrain_493384
Apparently the shift ramps line up better with a 31T, as for odd teeth chainrings SRAM did the same thing with their new cranksets |
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