# GRX Power Meter Options **URL:** \ **Category:** Equipment\ **Tags:** power-meter\ **Created:** [January 6, 2020, 7:15pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266 "2020-01-06T19:15:08Z")\ **Posts on this page:** 20\ **Page:** 5
**Author:** ![mcneese.chad](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mcneese.chad/32/15056_2.png) [@mcneese.chad](https://www.trainerroad.com/forum/u/mcneese.chad)\ **Post date:** [June 13, 2020, 10:22pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/84 "2020-06-13T22:22:43Z")
My old Boone was: - R6800 Ultegra Crank, 50/34 - R6800 Ultegra Front Der. - M8000 XT Long Cage Rear Der. - Wolftooth Tanpan Inline Cable Ratio Adjuster (converts road ratio shifter to match MTB ratio rear der.) - M8000 XT Cassette, 11-40 Worked a treat and was dead reliable for me. ---
**Author:** ![Nick\_Carter](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/nick_carter/32/30300_2.png) [@Nick\_Carter](https://www.trainerroad.com/forum/u/Nick_Carter)\ **Post date:** [June 14, 2020, 2:01pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/85 "2020-06-14T14:01:00Z")
Perfect! Thanks. I will be trying to order one of there for my Aspero tomorrow now I know it’ll fit 👌🏼 ---
**Author:** ![AldridgePrior](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/aldridgeprior/32/139066_2.png) [@AldridgePrior](https://www.trainerroad.com/forum/u/AldridgePrior)\ **Post date:** [June 29, 2020, 8:28pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/86 "2020-06-29T20:28:30Z")
For a number of reasons I’m considering having 2x GRX Di2 fitted to my road bike, but until today wasn’t aware of any potential chainline/offset/Q-Factor issues if I retained my existing 105 4iiii LHS-only crank power meter as I plan to… Forgive my lack of knowledge here but would appreciate some input on the following… (i) since the 4iiii LHS crank currently clears the frame’s chainstay, then it’d continue to be perfectly fine if used with the GRX crankset, ie. in terms of frame clearance, not impacted at all by the change of the rest of the crankset from 105 to GRX? (ii) but because GRX is wider per side, and I’d be retaining the 105 4iiii LHS crank, the LHS pedal would end up inboard by 2.5mm vs. the RHS pedal? (iii) would this difference even be noticeable, or be an issue, or just irrelevant? (iv) if relevant, should I shim the LHS pedal to balance the q-factor per side, and are there any gotchas with doing this? Anyone else done this? Input much appreciated, especially from @mcneese.chad as always 👍 😄 ---
**Author:** ![mcneese.chad](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mcneese.chad/32/15056_2.png) [@mcneese.chad](https://www.trainerroad.com/forum/u/mcneese.chad)\ **Post date:** [June 29, 2020, 8:38pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/87 "2020-06-29T20:38:52Z")
> [@AldridgePrior](#): > > (i) since the 4iiii LHS crank currently clears the frame’s chainstay, then it’d continue to be perfectly fine if used with the GRX crankset, ie. in terms of frame clearance, not impacted at all by the change of the rest of the crankset from 105 to GRX? - Yup, same clearance with the PM. > [@AldridgePrior](#): > > (ii) but because GRX is wider per side, and I’d be retaining the 105 4iiii LHS crank, the LHS pedal would end up inboard by 2.5mm vs. the RHS pedal? - Yes. > [@AldridgePrior](#): > > (iii) would this difference even be noticeable, or be an issue, or just irrelevant? - Depends on a person’s sensitivity, but many would never notice. > [@AldridgePrior](#): > > (iv) if relevant, should I shim the LHS pedal to balance the q-factor per side, and are there any gotchas with doing this? - You could add pedal spacers up to the safe limit depending on thread engagement. 1 or 2 spacers would nearly dial in the pedal spacing from the center line of the bike. > [@AldridgePrior](#): > > Anyone else done this? - I’m currently running a Stages 2nd Gen on my Warbird Di2 GRX with no pedal spacer and have no issues. I may add one, but not bothered by it as offset now. ---
**Author:** ![AldridgePrior](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/aldridgeprior/32/139066_2.png) [@AldridgePrior](https://www.trainerroad.com/forum/u/AldridgePrior)\ **Post date:** [June 29, 2020, 8:45pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/88 "2020-06-29T20:45:01Z")
Excellent, Chad, appreciate that 🕶 NB how’ve you found GRX Di2? ---
**Author:** ![mcneese.chad](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mcneese.chad/32/15056_2.png) [@mcneese.chad](https://www.trainerroad.com/forum/u/mcneese.chad)\ **Post date:** [June 29, 2020, 8:47pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/89 "2020-06-29T20:47:26Z")
Really nice. My first Di2 bike and still getting confused with the shift buttons 😛 Funny, since they are effectively the same as mechanical, but my head is getting in the way. Otherwise I am quite happy with the Warbird fit and feel. Bigger tires are nice and just rolls so smooth. ---
**Author:** ![rsusanto](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/rsusanto/32/37249_2.png) [@rsusanto](https://www.trainerroad.com/forum/u/rsusanto)\ **Post date:** [July 14, 2020, 6:17pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/90 "2020-07-14T18:17:07Z")
Fellow cyclists, I’m in the market for a power meter for my gravel bike, the Canyon Grail CF. Currently, I’m using a hybrid of Shimano Ultegra and GRX components. All Ultegra R8000 components, other than the followings: - Crankset: Shimano GRX 600 46-30 2x - Front Derailleur: Shimano GRX I have done some research on the pedal-based system and I’m aware of these 2 products which I’m considering. But both have their own limitation. The _Assioma Duo_ is within my budget, but it only comes with SPD-SL pedal style, and the _SRM X Power MTB pedal_ is above my budget at the time being ($1,100 USD). **Anyone have any recommendation on other type of brand or system that I can use with the components above?** Thanks, Richard ---
**Author:** ![rsusanto](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/rsusanto/32/37249_2.png) [@rsusanto](https://www.trainerroad.com/forum/u/rsusanto)\ **Post date:** [July 14, 2020, 6:27pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/91 "2020-07-14T18:27:59Z")
Hi @bolton, could you tell me what crankset you have on your Canyon Grail AL 2020? The GRX RX600 or 810? Many thanks in advance. I’m also interested in getting the Stages L. Richard ---
**Author:** ![mcalista](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mcalista/32/92377_2.png) [@mcalista](https://www.trainerroad.com/forum/u/mcalista)\ **Post date:** [July 15, 2020, 6:43am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/92 "2020-07-15T06:43:03Z")
> [@rsusanto](#): > > I have done some research on the pedal-based system and I’m aware of these 2 products which I’m considering. But both have their own limitation. The _Assioma Duo_ is within my budget, but it only comes with SPD-SL pedal style, Actually, the Assioma’s use the Look/Xpedo road cleat system. However, it is possible to hack them to use SPD MTB cleats. Extensive thread on this at [A Wild idea for Favero Assioma pedals [MTB SPD Hack]](https://www.trainerroad.com/forum/t/a-wild-idea-for-favero-assioma-pedals/18627) Note: (NOT Favero-endorsed). ---
**Author:** ![Toby](https://avatars.discourse-cdn.com/v4/letter/t/7993a0/32.png) [@Toby](https://www.trainerroad.com/forum/u/Toby)\ **Post date:** [July 15, 2020, 10:58am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/93 "2020-07-15T10:58:58Z")
Just FYI and if anyone ever looks for this information: I have the new Rose Backroad (GRX 800) and swapped the left crank for my old 4iii 105 crank. Works like a charm. Enough room for the pod (measuered 4.7mm between the pod and the closest part of the chainstay). I also measured the Q-factor. It was indeed 2.5mm different. I installed two pedal washers (2mm). Happy days! ---
**Author:** ![Cory.Rood](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/cory.rood/32/77597_2.png) [@Cory.Rood](https://www.trainerroad.com/forum/u/Cory.Rood)\ **Post date:** [July 15, 2020, 11:39am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/94 "2020-07-15T11:39:07Z")
> [@rsusanto](#): > > Fellow cyclists, > > I’m in the market for a power meter for my gravel bike, the Canyon Grail CF. Currently, I’m using a hybrid of Shimano Ultegra and GRX components. All Ultegra R8000 components, other than the followings: > > - Crankset: Shimano GRX 600 46-30 2x > - Front Derailleur: Shimano GRX > > I have done some research on the pedal-based system and I’m aware of these 2 products which I’m considering. But both have their own limitation. The _Assioma Duo_ is within my budget, but it only comes with SPD-SL pedal style, and the _SRM X Power MTB pedal_ is above my budget at the time being ($1,100 USD). > > **Anyone have any recommendation on other type of brand or system that I can use with the components above?** > > Thanks, > Richard You can also run any Hollowtech II left side crank(800 series GRX would match.) ---
**Author:** ![Bhofstra](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/bhofstra/32/122890_2.png) [@Bhofstra](https://www.trainerroad.com/forum/u/Bhofstra)\ **Post date:** [July 15, 2020, 1:01pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/95 "2020-07-15T13:01:11Z")
Power2max just announced new gravel crankset options [![](https://global.discourse-cdn.com/trainerroad/original/3X/f/6/f6c7e27092f43c4373b82c61f90effe6d9084191.jpeg "GRAVEL POWERMETER") ](https://www.youtube.com/watch?v=mDbuw_Cg_RQ) ---
**Author:** ![bolton](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/bolton/32/75490_2.png) [@bolton](https://www.trainerroad.com/forum/u/bolton)\ **Post date:** [July 17, 2020, 7:31pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/96 "2020-07-17T19:31:38Z")
@rsusanto sorry for the delay, I’m in the Alps on Holidays so you know… 😆 I’ve got exacly this model: [Grail 7 | CANYON PL](https://www.canyon.com/pl-pl/road-bikes/gravel-bikes/grail/grail-al-7.0/2370.html?dwvar_2370_pv_rahmenfarbe=SR%2FBK) It’s GRX600 but there is plenty of room for power meter with this frame. I didn’t buy stages L for the gravel bike, I had used it on my road bike but during winter I ride outside only on gravel/cx bike. We’ve got terrible conditions during winter here in Poland and I don’t like road cycling during this period so I just swapped crankset and voila. ---
**Author:** ![eisenbpa](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/eisenbpa/32/122755_2.png) [@eisenbpa](https://www.trainerroad.com/forum/u/eisenbpa)\ **Post date:** [July 18, 2020, 2:43am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/97 "2020-07-18T02:43:41Z")
Not the original person who asked this question, but you’re saying if I have a GX600 crankset I could just swap the crank arms to GX810 and add a power meter to the new left arm? ---
**Author:** ![Cory.Rood](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/cory.rood/32/77597_2.png) [@Cory.Rood](https://www.trainerroad.com/forum/u/Cory.Rood)\ **Post date:** [July 18, 2020, 10:11am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/98 "2020-07-18T10:11:39Z")
Yes, or a dura ace/ultegra/105 ---
**Author:** ![alanw2005](https://avatars.discourse-cdn.com/v4/letter/a/9de053/32.png) [@alanw2005](https://www.trainerroad.com/forum/u/alanw2005)\ **Post date:** [July 21, 2020, 7:09am UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/99 "2020-07-21T07:09:30Z")
I got one today! They are awesome. ![IMG_7692](https://global.discourse-cdn.com/trainerroad/original/3X/e/8/e810c8d16a20c1c2139b08c2d007d1f249e388aa.jpeg) ---
**Author:** ![pimu](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/pimu/32/1755_2.png) [@pimu](https://www.trainerroad.com/forum/u/pimu)\ **Post date:** [July 31, 2020, 9:06pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/100 "2020-07-31T21:06:02Z")
Thank you so much, almost missed this! This new gravel low-gearing option are a big deal, I always struggled with the lack of choice on low-gear 2x setup w/ power (esp. when you have a BSA BB). I emailed their support with questions, super quick and helpful. My only concern would be proprietary 2x chainrings, I was not able to find an entry for replacement chainrings. They have a blog entry: [New Gravel Power Meter – Power2Max North America](https://power2max.cc/blogs/blog/new-gravel-power-meter) ---
**Author:** ![AldridgePrior](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/aldridgeprior/32/139066_2.png) [@AldridgePrior](https://www.trainerroad.com/forum/u/AldridgePrior)\ **Post date:** [August 2, 2020, 4:27pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/101 "2020-08-02T16:27:20Z")
> [@mcneese.chad](#): > > Really nice. My first Di2 bike and still getting confused with the shift buttons 😛 > Funny, since they are effectively the same as mechanical, but my head is getting in the way. Ha! Got my GRX Di2 up and running now - first proper ride. I also struggled with the buttons from time to time, with my mind a total blank over which way is up and down. 😆 As you say, it’s the same scheme as mechanical so the muscle memory should be automatic but it’s (slightly) different enough to mess with my mind now and then. With a few more rides under my belt it’ll all be fine… I must say I love the feel of the hoods. I’d seen Gravel Cyclist JOM raving about them and he wasn’t lying. I’ve never had any complaints about Shimano hoods, so from my perspective it’s not like there was a problem that needing fixing or anything, but still, the ergonomics of these GRX Di2 hoods somehow make me feel very securely “connected” to the bike in a way I’ve not done previously. That probably sounds a bit OTT, but I think they feel fantastic. As mentioned I’m using a 4iiii 105 non drive side crank so to even up the Q-factor - and in line with the suggestions above - my shop has fitted a couple of spacers on this side: one between BB cup and frame (I think) and another between pedal and crank. I probably wouldn’t have noticed any difference without these, but it avoids any “what if” questions in the event of any fit issues presenting themselves one day that might be blamed on an uneven q-factor. Belt and braces 😉 ---
**Author:** ![saskiahoppe](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/saskiahoppe/32/48994_2.png) [@saskiahoppe](https://www.trainerroad.com/forum/u/saskiahoppe)\ **Post date:** [August 2, 2020, 10:55pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/102 "2020-08-02T22:55:42Z")
I guess it’s not just me who struggled with Di2 buttons and just having a brain fart as to what does what 🤣 I did however change the buttons as it got annoying. The two on the right now make the gearing harder (big button does the rear derailleur) and the left side makes the gearing easier (again, big button for rear derailleur). I find this incredibly intuitive, glove friendly for those colder rides (I used to accidentally hit the wrong button going up a hill, all. The. Time.), and less reaching (small girl hands) for the shifting I do the most, particularly when I’m in the drops. No accidental going through wrong way gearing wise, worst case I hit the wrong derailleur but it’s always in the direction I want to go. ---
**Author:** ![wesleyt3306](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/wesleyt3306/32/7721_2.png) [@wesleyt3306](https://www.trainerroad.com/forum/u/wesleyt3306)\ **Post date:** [August 6, 2020, 12:27pm UTC](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266/103 "2020-08-06T12:27:32Z")
Forgive me if I missed this somewhere, but is the 1x crank 5mm wider total? From what I can see the shift is just for the front derailleur clearance? [Previous page](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266.md?page=4) [Next page](https://www.trainerroad.com/forum/t/grx-power-meter-options/27266.md?page=6)