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Thread: Gravel Goes Legit - New Shimano GRX Groups

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    Default Gravel Goes Legit - New Shimano GRX Groups

    Mechanical, Di2, 1x11, 2x11, and a few tiers. Some new chainring sizing options, dropper control from the levers, and new inline brake levers. Skus on skus on skus

    Press Release: Shimano launches GRX - The World's first dedicated line of Gravel Components! - Gravel Cyclist: The Gravel Cycling Experience

    Last edited by dgaddis; 05-07-2019 at 11:48 AM.
    Dustin Gaddis
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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Is my math right at a 51mm chain line?

    - Garro.
    Steve Garro, Coconino Cycles.
    Frames & Bicycles built to measure and Custom wheels
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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Well, good on 'em. I like the in-line levers. Not so sure about the effectively-longer brake lever bodies. And I'd like to see the chainrings go into the 28T or even 26T range.

    I didn't see anything in the article, but I'm guessing the +2.5mm is achieved with a 73mm BB shell...
    DT

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Good for them (not sarcasm) for going beyond pure marketing and making some changes that align with ways to make improvements for more challenging terrain.

    Changing the pivot of the brake lever - good idea.
    Changing the shape of the brake lever for braking while on the hoods on rough terrain - good idea.
    Increased gear ratio - good idea.
    etc
    etc.

    I get why the inline brake levers would be attractive for certain terrain. But for me and my riding it would likely put me on my head as I generally need the leverage the bar width when in braking situations. Personal choice.

    With that said, I will "make due" with my current Ultegra for a while longer.
    Brian McLaughlin

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    This will be on my short list for sure when I build up the Zanconato I've got sitting in my basement.

    My current setup for off-pavement riding has a 34x32 low gear and it is marginal on the steepest unpaved roads and with any kind of load it wouldn't be enough. I'm not quite ready to build that bike up yet so the timing of this is great. Definitely on my radar.
    La Cheeserie!

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    A 46-30 or a 48-31 crank from Shimano. Hmmm... Been looking for that for what 10 years now... Snark aside, it is nice to see them finally address this segment.
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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Quote Originally Posted by David Tollefson View Post
    Well, good on 'em. I like the in-line levers. Not so sure about the effectively-longer brake lever bodies. And I'd like to see the chainrings go into the 28T or even 26T range.

    I didn't see anything in the article, but I'm guessing the +2.5mm is achieved with a 73mm BB shell...
    The +2.5mm is on a regular 68mm BB shell. It's just that the rings/front mech are mounted further outboard to accommodate wider tires and short chainstays without having to resort to weird chainstay manipulation

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Iím assuming that standard 11s Shimano shifters will work with this? If so, my 650b rim brake retro road bike conversion just found a drivetrain...
     

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    RX series 2x cranks chainlines are 46mm (11s and 10s). RX810 1x chainline is 48.8, RX600 chainline is 49.2mm.

    Not sure what took Shimano so long to rebadge some SLX parts I'm looking forward to using one of the RX812 rear derailleurs.
    - Brad Comis

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    175 crank??? Arrrrrg.

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Sure wish this was available 2 months ago.
    elysian
    Tom Tolhurst

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Q factor same as road cranks?
    42/28 would be even better for the roads down here.
     

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Officially 50.1mm CL for 1X and 46.9mm for 2X
    110 & 110/80 BCD
    151mm Q-Factor (all cranks)
    Albert Steward
    Bike Nerd, Vancouver, BC

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Quote Originally Posted by steve garro View Post
    Is my math right at a 51mm chain line?

    - Garro.
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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    I think 7 speed RSX was their first gravel gruppo Problem was the shifters never lasted very long.
    Kevin Grady
    Chi va piano, va sano e va lontano.

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Those di2 shifters are ugly. I welcome the satellite brake levers, not so much for gravel but for commuting in the traffic it is nice to have access to brakes in a more upright position.
    --
    T h o m a s

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Quote Originally Posted by Albert S View Post
    Officially 50.1mm CL for 1X and 46.9mm for 2X
    110 & 110/80 BCD
    151mm Q-Factor (all cranks)
    Hmmm, I see the chainline on the Shimano website doesnít match what is in the technical specs book. Thatís a bit odd.
     

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    Still, it sounds like producing more parts for the sake of having more SKU. They could have simply released the rear derailleur and some additional chainrings combos for the mtb cranks and we wouldn't have been less happy.
    --
    T h o m a s

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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    I feel the hoof beats of 12 speed Dura Ace just over the horizon. Tour de France?
    Jorn Ake
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    Default Re: Gravel Goes Legit - New Shimano GRX Groups

    "a unique new gravel-specific ST design for optimal braking from the hoods"

    ALL OF MY PROBLEMS ARE SOLVED.
    -Dustin

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