Hijacking to ask for recommendations on what power meter would be compatible with my Trek Fuel EX 5: https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-5-deore/p/33073/
I have a preference for the least expensive option as long as it isn’t total crap.
Either Stages or 4iiii have an XT crank arm that should fit.
Thanks. That’s what was tripping me up - my shimano crankset is called “MT”, but you’re saying an XT will be compatible with it? That is great.
Yup because they both use the Hollowtech II set up. MT511 is just a more basic crank and probably weighs a bit more…XT is a higher range but should work no problem.
I will need to verify, but I want to say the XT crank arm did not fit on the MT511 crankset that came on my Procaliber.
I recall the MT511 crank arm being “fatter” than the XT arm at the spindle, and it was not possible to preload the XT arm against the bearing.
That’s a bummer! Do know if clearance for the pod on the crank would be OK though? Power meters get expensive quick…if it doesn’t fit the MT511, you could get a new crank @ REI with 20% off. Might end up being cheaper than single sided Garmin SPD 
Ah, ok. Yes, then your only option is a pedal-based power meter.
To be honest, I’ll probably never be able to do much about the difference… but I do know that if I had to take either the left / right side power and double it, it’ll be miles off!
Anyone running the SRM X-Power MTB pedals? I’m considering these for my cross bike that is generally now used as a gravel bike. I recall DC Rainmaker said they had some battery issues early on that SRM said would be fixed. Wondering how that panned out. Thanks.
Not sure you have seen it, or if there is much feedback from actual users, but there is a lengthy topic on the pedals that is worth a look:
I did the Assioma mod to have flat pedals, because im new to mountain biking and dont trust myself clipped in yet
Thanks Chad.
Still not sure if it’s worth the coin but seeing some of the issues have been ironed out is helpful.
Any hot tips on a 30T chainring for power2max (104 bcd). I think further up the thread it was mentioned that the standard Praxis 30T won’t fit but a Garbaruk will.
Anyone running any other brands 30T ring? (Garbaruk not very available in UK). I’m looking at Hope Retainer ring but not sure if it will work. Otherwise i might just size up to 32T.
[Edit] Decided to just size up slightly after reading this thread. Just got to hope i have enough chain, hopefully ok since such a small change.
I just received my 4iiii factory installed meter on my XX1 carbon cankset. I’ll used it on my MTB and gravel bike. It has been spot on with the meter in my H3 trainer. Haven’t been able to get it outdoors yet, elbow injury. 
I got the new version and it is really slim and low profile. For the price, you can’t beat it.
I use the Garbaruk but had toyed with the idea of going to a 32t ring like you did. The Garbaruk is the only 30t that I know of that works. It has a 1mm offset toward the bike to allows chain clearance to the power meter. I was concerned about moving the chainline in but it shifts just as well as the stock ring. I may still go to a 32t ring since I never use the ultra lower ratios but run out of gear when on paved roads with a negative grade.
Great info! I found out the hard way that a standard 30t doesn’t fit a quarq power meter with 104bcd. Or an oval 32! Garbaruk do have some good solutions. The offset is listed as 1mm, which is more palatable than 3mm.
Has anyone had success with the Garbaruk 30t on a quarq power meter?
You are correct. I don’t know where I got 3mm from but 1mm is correct. Corrected my original post. You might ask Power Meter City about the Quarq. They were very helpful and knowledgeable when I was shopping for my P2M.
Hi,
looking to add a PM to my 2018 Canyon Exceed:
I’ve been quite happy with my Quarq PM on another bike - for the XX 1Eagle PM, am I reading it right that I’d need a new bottom bracket and potentially new cranks as well to fit this?
Assuming GXP and DUB are not compatible?
Otherwise might be looking at Sigeyi, which most people seem to be quite happy with?
No problem using your cranks with Sigeyi AXO or Power2Max NGeco, since both offer a sram 3-bolt direct mount spider. You’d have to choose boost or non-boost depending on your bike, and also buy a chainring (104BCD). Quarq is not an option without new cranks I believe.
Has anyone succesfully mounted a quarq spider pm to canecreeks eewings? I know it’s the same mounting standard but don’t know if there’s enough clearance for the spider because the cranks are so thicc. Before I take two bikes apart I just wanted to quickly ask if someone’s done it before. Thanks