Here's the Thing about the New Shimano GRX Di2...
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- čas přidán 22. 05. 2024
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Compatibility update from Shimano. Since the release of this video Shimano have confirmed that "The FD-RX825 is not compatible with 46/30T FC-RX610".
What is the difference between the fd rx825 and fd r7100? the finish on the cage and the label. the shape and motor looks identical. is the sound more similar to fd r8100/fd r9200?
"Mailbox Monday" hits hard on a Friday before starting work, thought I was doomed for another full week in the office!
Wider tires > Suspension Stem. The stem makes it feel softer, but with the tire I actually have more grip and more performance.
And grip equals a big plus in braking and cornering performance which means overall safety is dramatically enhanced.
A suspension stem also improves the grip and comfort
@@SantoRedentor Comfort yes, but grip? Only the grip between you and the handlebar, but not the grip between the ground and the bike, no? Am I missing something?
the main job of a suspension, more important than rider comfort, is to keep the tire in contact with the ground at all times.
When a tyre hits a bump, the suspension compresses, allowing the tyre to roll over it without bouncing like it would without it. A tyre with low pressure will be able to absorb part of the hit too, but with the same tires and same pressures a bike with suspension will always perform better.
When the tyre is kept in contact with the ground, the grip is better than when the tyre bounces around.
That's why you can descend a trail faster with a hard tail than with a no-suspension mtb, and faster with a double suspension than with a hard tail. But suspensions tend to be heavy so one always has to balance the performance loss in the uphills /flats and the extra performance in the descents, depending on the type or riding.
That being said, stem suspensions have very limited performance and are not comparable to a front fork suspension.
@@SantoRedentor I was about to say until your last sentence, haha. I agree. If I could push my entire weight into a bump than the effect of suspension actually makes a huge difference. I do have a rockshock stem on my gravel bike for 4 years now and honestly, I am not sure that I notice a significant improvement.
Shimano wins the most underwhelming product release of the year. My guess is new Di2 MTB coming in hot which will pair with this for 1X systems.
Dream about it😅
I would love it too but dont think thats happening
Thats what I'm thinking. Some cross compatibility with XTR. Shimano must do a 40tx11-51t for GRX or perish.
How are electronic groupsets underwhelming… their prices are already overwhelming. Literally much more expensive than gadgets with the littlest thousands of superconductors on a single chip to ever exist and youve got this 2000$ groupset with just actuators and has bluetooth.
That‘s what I think, too. They want to release XTR, XT and GRX at once.
@@allenjay896Sram Apex AXS I think is cheaper than Shimano mechanical, were just paying Shimano tax because they're the giant of cycling market who just reaps profits and does not improve.
Thank you for doing the right thing by releasing _Mailbox Mondays_ on Thursday
My eeSilk stem failed at around 4000 miles. I returned it. Cane Creek absolutely refused to sell the bushings for the eeSilk+ seatpost without the tool. So, it's $40 a year to run the seatpost because you can't buy the $0.25 bushings that wear out every year. I ended up just warrantying seatpost through my credit card company and bought another one. It's kinda crazy that I have to throw away a $300 seatpost once a year because of four small plastic cylinders. I called and emailed Cane Creek multiple times, but they despite the ecological harm of doing this, that's my only option.
I've bought the elastomers for my Eesilk+ seatposts before. You can get them from places other than Cane Creek.
Edited to add, the seatpost elastomers last way more than a year. I have a buddy that just got his first replacement set for his Thudbuster after close to 10 years. The only reason I've had to buy some is that I use the harder compound since I'm a heavier rider, and I have 3 Eesilk+ seatposts.
So, buy RedShift instead. Stay away from eeSilk, thanks for your opinion :)
@@mrhankbotful @hoyhoy42 was talking about the IGUS bushings, not the elastomers. I've read complaints of the primary hinge bolt falling out as it doesn't come with lock-thread :/ The carbon post comes with upgraded Ti bolts but both use the same IGUS bushings according to Cane Creek. Hopefully service kits will become available?
@@neilburrows6670I bet McMaster Carr sells IGUS bushing material, possibly even in the correct length.
Why are people obsessed with 1x? Don't need it or want it. Sram has to do it cause they can't figure out how to make a front derailleur work right.
So they should stop making, say, MTBs because you like riding race bikes? Taste, luckily, is personal.
@@lysanatt like mtbs don't have x2, or x3 in front)l
@@georgietheoldfaq Nearly all MTBs in the last several years are 1x outside of the bargain basement models. I bet you can't find full-suspension bike with an FD outside of some niche builder.
Is Sram front shifting that bad?
SRAM front derailleurs shift great. What a load hogwash.
2X is just way way better if you have any pavement in your rides - and if you don't you should use a MB group.
Absolutely right. I have upgraded everything on my gravel bike over the last 5 years, except my trusty drive train: 2x that’s easy for me to work on. I ride mixed surfaces all the time.
Absolutely, I would always prefer 2x for road and gravel bike!
i stick to Sram Rival. Half the price and fully wireless…
And available in 1x
⅛ the battery life
There is nothing cooler than a tiny chainring and a dinner plate for a cassette with a rear derailleur cage that almost drags the ground. Such a cool look. We can then add a suspension stem and seat post and while you are at it a rear suspension as well. Wow! Then you can ride your gravel trail on a mountain bike!!
Thank you so much for covering the eeSilk suspension products!
Yes they need 1X but they also need a wireless GRX dropper post in 27.5. this could have a di2 battery holder built in, now that would be Shimano is taking the fight straight back to Sram.
I've ridden Grand Prix tires for the previous 10+ years but when I got my new Emonda in 2022 the Contis were unobtainium so I bought some Pirelli P-Zeros. OMG, what a great set of tires! I love them! I loved them so much that I went out and bought some Pirellis for my (original) Ford Escape SUV and then for my gravel bike!
I concur - I use the latest PZeros on my road bike and they are the mutts nutts - I got sick of GP5000s - they feel great when they’re new but seem to harden and lose grip once about half worn… binned them
Nice editing speed Francis 😁
definitely interested in hearing more about suspension seatposts in a long distance application for sure.
They're great. Get one with at least 35mm of travel and you'll definitely notice it takes the edge off. I have one on my gravel bike, one on my hardtail, and one on my fat tire cargo bike, and I don't ever plan to go back to rigid posts, even though I have a couple nice ones on the shelf.
The eesilk+ seatpost is amazing. I gravelled this year's Morocco Titan desert on it and I kept up with guys on double suspension mtbs. I used the Vecnum Freeqence stem which is a masterpiece. Both feel at home road cycling as well.
I have the 11 speed GRX DI2 and it’s been flawless in every aspect after 3000 miles of road and gravel battery last well over 1000 miles 4000 shifts
I’ve been running it for a couple years and agree it’s excellent. Think I’ve charged the battery maybe 3 times in all that time.
I have it as well. The shifting is definitely not as good as the new 12 speed DI2 road stuff. I assume this new 12 speed GRX groupset will be on par with the new road groupsets.
P.S. The crank looks like its from 2002.
is this good or bad?
The Pirelli tubeless tires absolutely win the first time mounting competition. My wife and I have Pirelli Tubless both 40 mm M tread gravel and P Zero 30 mm road slicks. I mounted all of them. Without fail they have mounted without sealant and held pressure immediately. Then I let out the pressure, put in the sealant, pump it up and good to go!
Interesting point of history, the father of Mary Jane , owner of Mack Cycle in Miami was in the US Army and at one point actually stood guard duty on the Pirelli factory. Years later, 1957, he started the shop that became Mack Cycle.
What I like about cane creek stem is that I can run softer elastomer and firm it up than on the redshift also you don't have to go to only 2 positions it's sort of a preload dial. Also I've recreated top part modified it a bit and printed it out of quite hard TPU so that it doesn't slam hard when it bounces back. Only con compared to the redshift is that you can't flip it. It's only -6deg
Awesome new updated GRX,the crankset looks superb.💯👌🏻✌🏻🚴♂️
Love the eeSilk+ :) Previously I was getting bounced out the saddle on some potholes, particularly when fatigued. Lower back is now far happier. Just feels like riding fatter 2.1" tyres as opposed to the 1.75". Tremendous upgrade!
Thanks for your videos, which set me in good mood. Aditionnally to the fact that I'm improving my english, I like the contents of yout videos.
Regarding Pirelli tyres, I found them very esthetic, and found them very confortable, BUT I got very bad experiences with punctures, and had to change the Brand 😢
looking forward to hear how you get on with the eesilk suspension post and stem. if you are going to delve into the subject long term it might be worth also looking at a parallelogram stem like the Vecnum. its horribly expensive but the single pivot stems wont play so nice with flat bars or probably at all if they have any real back sweep.
The brushed silver version of those Cane Creek components look niiiice
I have a Can Creek thudbuster on my ebike (paired with a Redshift stem lol), and it's pretty nice. I have it on the heaviest elastomer, so its movement is pretty subtle, but it really helps with rougher streets.
Picked up a Redshift stem for £145 last weekend as they had an offer on, can’t wait to get it fitted and start riding
Pretty much the same as older GRX di2 except for the semi wireless part and it can officially take a 11-36 cassette (11-34 for the previous version but I run an 11-40 without question).
Good thing they didn’t change the shifters which are the most comfortable shifters on the market (copied by the new sram red even).
I think it makes sense to start with 2x since this part of the market is not taken by SRAM.
Nice video as usual, about the eesilk+ seat post i've bought one, 1 year ago (this one, because it is lighter than the redshift one) initially, good seatpost with more than enough travel. But after 3000km of gravel (I am 80kg), the thing has now an horrible amount of play in the two lower axis of the parallelogram that make my saddle move left to right up to 1cm. This as forced me to go back to a standard seat post for now and I am now thinking to buy the redshift one ! Don't buy this one for sure, big design flaw and play incomming, way faster that you might think.
Interesting. I'm a 120kg rider with an Eesilk+ seatpost on multiple bikes and haven't had that kind of play develop, even after putting 3-4000 miles on a seatpost in a year. I wonder what caused yours to develop so much play.
I have the ee silk carbon seatpost. I really like it. It was bought before the pandemic, so it was cheaper. I have not tried the stem, but I m interested in your take.Cheers.
Vittoria tyres -- love them!
I've got a thudbuster on an expedition bike I had built for a Himalayas trip... it was a most excellent use of money.
I have used the ee silk+ and although I can feel it moving while pedaling a little it does a great job knocking off the big hits.
Michelin has been making great bike tyres for a long time. The green Michelin Muds are classics. I know they kinda went away for a while, but I'm glad they're back.
I have the eesilk stem and it works really well. That veing said it made me want the fox gravel fork which was amazing and i no longer needed the stem lol
I use a dropper post and was hoping Shimano does something different with the battery this time, but I guess they just confirmed that I should go with SRAM for my next upgrade.
Every youtube reviewer has said 'finally', or 'long awaited'. Those are sales pitch terms.
cuz shimano is a charity right?
They are also just "terms".
Curious about the tire verdicts. I have used Specialized Roubaix for years. On my new Canyon the GP5000 tires were fitted. Also very good ones.
Nice cinelli vigorelli hanging in the studio 😏
Cane Creek do two versions of the Thud-buster, a long travel and a short travel version.
Regarding Jimmy’s ‘why does that exist?’ face, imaging mountain biking on a full-rigid Tandem!
It's not a gravel group set. Max 36T cassette. It's 105 with clutch and d-fly.
its for allroad. Good enough for those with no MTB background
A 30/31 front and a 36 rear is good for average road cyclists living or riding often in mountainous terrain with steep gradients. For gravel and bikepacking it's still a hard gear to move. No doubt Shimano knows this, so it will launch a 38 next generation, then next next gen a 40, then...
finally the GRX DI2 12 speed. the suspension stuff is very very cool but currently quite expensive. should probably try the sus stem
It would be kind of interesting to see something like a Tranzx Antishock stem mixed in with these suspension stem tests.
Goodyear as well.
2x makes so much more sense on a Gravelbike. Usually, the riding profile will be a mixture of tarmac and gravel and most of the time a gravelbike will not moved too much over trails (with a quick change of inclines/declines. So most riders have a rather narrow speed variance in their rides. With a 2x you have several "working gears" and small steps between the gears. I also have more choice of gears when using the small chainring in front. With a 1x you have less suitable working gears. On a 2x setup I use 3-4 cogs the most with a 1x it would only be 2 cogs. Now fast forward 3000 km --> 1x cassette needs replacement, 2x cassette does not. If your gravelbike riding profile is more MTB-ish then 1x makes sense.
Man, I was hoping the 10-45 and 10-51 1x options would launch too….
The delay is due to Shimano planning to incorporate a battery on the RD for 1x.
@@jonathanwoo6597 Shimano really shot themself in their foot. Just make their shifters compatible to any derailleur released earlier, 1x or 2x, in any combination, and it will be fine
The fud buster? Jeeeeeez what a name
Compatible with mountain bike rear derailleur?
I’m certain that suspension seat posts increase comfort. But I’m also certain they introduce power-sapping pedal bob.
No, becouse the frame stays stiff there is almost no difference in power transfer, it's just your bodyweight that is suspended
@@8paolo96 I don't see how that can be true. You're still putting a spring between your hips and your feet, so your pedaling is going to make that spring go up and down. Some of your energy is going to be spend moving that spring, unless you're out of the saddle.
It's one reason why mountain bike designers no longer put the bottom bracket on the swingarm.
Suspension stems are a bit too expensive for me but given the shocking state of the roads around here I'd love to have one just for the potholes
My slightly dodgy wrist has thanked me for a suspension stem ever since I switched last year. 20% off Redshift at moment if that numbs the pain a bit as a purchase? Still spendy, tjough now seriously considering seatpost as i can't get more than 25c tyres in current winter bike with the mudguards on.
That Van Rysel needs to be personalized in some way, to black to my taste xD Some white stickers decals on the name maybe
Now I do understand why Sram didn’t release the new RED XPLR along with the road version RED. New XPLR will come with T-Type technology, so it will be again the sector leader.
Looks like I'll still need to go Ultegra or after-market for my 160mm cranks😞
1:28 That’s a great good luck / aero rubber ducky 🐤 you got on the bars 🫶
What if i just run everything without front derailleur? Will it work or the system will just fuck up ?
About suspension on steam and seatpost I prefer the development in recent years with normal sized wheels on roadbikes.
Why bother with a large and heavy cassette when that crank can take 28-46 after market rings?
And the shifting is good event with my Force front shifter.
The smallest rings anyone makes as far as I know are 44x28 for 2x (from TA), or 36T for 1x (from Wolftooth, etc). Yes, smaller chainrings to fit GRX cranks are theoretically possible, but nobody makes any. It would be useful if Shimano would, or if they made a larger HG - not Microspline - 12 speed cassette, but neither looks likely.
My question is, why do you need electronic 1x anyways?? di2 is all about syncro-shifting and the semi-automation to full automation of the front derailleur. Mechanical 1x is way faster shifting and more responsive than electronic.
Bit odd you couldn't put it on a bike given how many people watch your channel.
Funny how the box of the chainring has a diagram of a 1x on it. I think that was the indication of the future 1x chainring without calling the Shimano rep.
GRX cranks are the same exact part numbers between 1x and 2x, you can mount 2 chainrings on any 1x cranks and make it a 2x, they're the same even between 11spd and 12spd.
So what makes this groupset 2X apart from the chainrings? Why couldn't you run it as 1X???? Surely the rear derailleur could be adjusted to work fine with 1X
How different is this from the 12 speed 105 di2?
More imporantly - why don't just let people connect a Deore XT Di2 RD? Can they learn a bit of this from Sram?
not just look but I prefer the feel of shimano. Especially their breaks are so much better imho. Still 1900 is a bit steep.
Can it be paired with a XT DI2?
im using 2x11 GRX on my build ;-)
No 1x is a total own goal. Sram Force AXS (1x) is way ahead (better shifting, hydraulic clutch, no cables, direct mount ring, and more).
Shimano or Sram need to bring out a belt drive system that will work with Alfine and Rohloff systems. There is a company that makes a joinable belt drive system, I am sure they could copy it.
Wouldn’t it be cool if the shift mapping could be optimized for overall ratios and chain line? One shifter only… seamlessly handling front and rear derailleurs.
Looking forward for a microshift sword review
Can't understand their pricing strategy. It should be cheaper than Tiagra 2x by a wide margin, retail, for starters
waiting for sora di2 ;)
Surely the 1x version can't be a wireless rear mech but with a cable running through the frame to a battery? I'd be all over the 1x setup if its self contained.
I'm a bike mech, but in Bavaria, of course, we ride more MTB. I do also Bike park and DH riding, for hobby. So, if I have to go uphill, I do it by a Dopelmayer or Leitner Ropeway system, and legally Marihuana, while going up by bike lift🤣😂‼️
But, for all Gravel and road biker, and normal MTB Rider, there is a big issue with 1 x 12 drive trains, for all " non super fit" user!
It's impossible, to drive more than 5 or max 10 minutes uphill, because the range isn't as big like 3 x 10, or 2 x 12. Only benefit for me at work, I don't have to adjust any front derailleur 😜👍😂😉‼️
I run the 11-speed GRX 1by RX817 rear mech, 11-46 with the 2by RX815 front mech, 48-31 and see no reason I'd upgrade to the 12 speed version.
Call me crazy but I prefer the single battery over the SRAM/RockShock individual batteries. I like that Shimano has kept the single larger frame/seatpost battery. However, without the shifter cables how does BLE/ANT+ work?
With the single battery and junction box on my GRX DI2 11 speed, I can charge the DI2 battery on the roll with a cache battery in my top tube bag, which can be super handy. Definitely not going to be possible with the 12 speed putting the charge port on the rear mech. :(
roadlink for the casette?
I am honestly hoping the 12 speed di2 will run the 10-45 cassette with 2by without changing the cage. I am currently running 11-42 with a goatlink and otherwise stock grx 810. Currently definitely not enough money for an upgrade though XD
Shimano rep, came to my shop yesterday and said 12 speed di2 GRX came out i raised my hands and say finally, i asked him what range cassettes do you have ? "Ohh no, no new cassettes" so wait you're going to use road 12 speed cassettes??? "Yes but theres new chainrings" then i said thats bad, shimano dropped the ball again, and this is why sram axs is rulling everything off road, gravel cyclocross and MTB
Suspension stems and seat posts are very interesting products. Especially for the many folks still riding bikes that accept no bigger than 25mm tires. Kinda tired of being told by almost every CZcamsr that I need to get rid of my lovely, still highly functioning titanium bike because it doesn’t support the new craze of riding wide tires.
Why are you so worried about what CZcamsrs tell you about your bike if you think the transition to wider tires is only a craze?
Some people don't like them, but I found a nice seat that has some padding and a flexible seatpan actually helps. Of course putting out more power and having lower handlebars to shove more weight onto your feet, or hands helps too.
@@yoepdeligt682 Thank you for your kind and insightful response.
I’d need a larger rear cassette for hills and carrying a load on the bike. I can understand small cassette for road but for gravel I’d expect a wider range
You can have a 536% with this, you can't go that much wider range (46-30 with 11-36t cassette)
The 30-36 is equivalent to a 40-48 1x, yes, you could want that 40-52 of the 1x but it's not that big of a difference
I have 46-30 with a 11-34 GRX mechanical at the moment and I struggle with a fully loaded bike on hills. Maybe the 11-36 is enough but thought 11-40 or 11-42 would be great.
Didn't you just have a video last week in which you said the SRAM shifting quality was crap? So give us a video comparing the new GRX with SRAM Force (as soon as Shimano lets you play with the GRX) -- in terms of shifting quality.
'Bulbous' sends me to captain Beefheart world. Good word.
Wonder how cross compatible this would be with Ultegra Di2 12 speed?
Its 100% compatible
Hmmm.. i have been thinking of a gravel bike for road /gravel and living in a mountainous area am very interested in 2by.
I'd argue that for most people 4629 or 4831 is the largest crankset they ever need. 5034 is just too tall
This could be any Shimano 12 speed Di2, It's just a massive cassette. Road bike stuff is all very samey e.g. New SRAM Red, the only headline was the shifters being a few mm longer which somehow was branded as revolutionary race focussed design lol
Nice
I paid less for my SRAM force/XX1 eagle mullet setup. I'm sure the performance of grx di2 is great but the price is quite insane. Especially when you can get a rival 2x groupset for even less if you really want 2x...
Yes 1x would be nice, but then again Shimano 2x Di2 is really good.
I ride with the 20mm eeSilk and Redshift stem on my road bike - it’s just better in every way and well well worth the weight penalty. Comfort == Speed.
Which stem is better or whats the differences?
@@evanm.2300 Oh I just meant having both stem and seatpost are (way) better than not. Wasn’t recommending the redshift over the eeSilk or anything :)
How u like the stem then? Any pros and cons?
Mixed feelings. I actually like 2x but they need to offer more chainring options, like a 44 outer and a bigger inner like a 34. Cassette wise 12spd 11-34 is fine. The good thing is that the quality and the engineering will be (as usual) light years better than all the shit that sram make, which always fails. The slightly weird bit is that you could actually just buy 105di2 and some mix and match bits (and some old 11spd cranksets) and save a ton of money...
Maxing out at 36T at the rear is pretty crap given than all the road groups can now do the same, no? Shouldn't a gravel group take at least, idk, 42 or something like that? That crankset also looks budget AF. Very underwhelming.
Levers look like they had some inspiration from the latest sram
I'll be putting the Microshift Sword 1X on my new bike. Screw wired/wireless and hydraulics. SIMPLIFY! I'm almost 60, I don't need all this crap. Take the money saved and invest in a set of good wheels and some Paul Component Klampers and I'll be good to go!
Still waiting for commercial wireless disc brakes. lol
I like where shimanos priorities lie given that 2x is better.
Pirelli coming into the space will only make things more expensive because every other manufacturers will think they can get away with charging more also
But today is Monday! :D
Can I use the 11-36 cassette with my ultegra di2?
Officially No. Unofficially, it works fine.
Guys, just get any dedicated single chainset crankset, and proper BB for your frame, anr=d enjoy one one-by ; )
Still has wires?! What year is it?!
The year when you don’t have to think about charging your battery nearly as often and your front mech can be half the size 😜
100 percent rather have a full wireless setup.@@jalakere
I never understood "not wireless, meh" - do you guys swapping out derailleurs daily or something? :) And 2X is still better for racing and for do it all bikes.
SRAM just keeps pulling ahead.
Putting the suspension stuff on the triban bike nearly doubles its price, i guess 😅 (Rc120??)
Dont get me wrong i got a triban myself
What the point of them making a 1x, just buy a chainring from the money saved not buying the front derrauiler.