
FIRST IMPRESSIONS REVIEW
Enduro Maxhit Stainless Steel Headset
Does It Matter?
Part of me wants to tell you this is the smoothest headset I've ever felt. I checked my headset multiple times to make certain it was actually tight-level smooth. Smoother than any headset on the market, with Enduro bearings or otherwise. I'm used to riding a premium headset - Chris King, Wolf Tooth, etc. - and this thing feels preternatural.
Part of me wants to tell you it's just a headset. Run a Cane Creek 40, change the bearings when they die, move on with life, and spend the money elsewhere. Can I justify the price of Maxhit? 100%, I love really nice things. Is it going to change your life? F*ck no, it's a headset, go ride your bike.

The stainless steel cups are the outer bearing races. The Maxhit bearings are easily serviceable, with extra seals included.

The stainless steel upper and lower cups double as outer bearing races.

The headset includes both a black and silver bearing cap. I wouldn't be surprised to see other colours in the future.
The rest of this piece is for folks who also love really nice things. Smooth things. Subtlety unique things. Stainless steel, guaranteed for life things. Beautifully serviceable things that even include spare seals in the box. It's a buy-once-cry-once-level product that will take years to amortize into a min-max level product for all but the harshest headset killers. Serial frame swappers probably need not apply.
A quick note here that there are only two versions of this headset by nature of requiring a stainless steel outer cup to act as the outer bearing race. These are the very common ZS44||ZS56 headset standard and the still-common-for-steel ZS44||EC44 headset standard.

This aluminum ring included with the ZS44||EC44 headsets is a second cosmetic choice.

Leave it off for the stepped look I like, or pop it on for the super-smooth rounded finish.

Enduro's crown race is aluminum with a rubber seal bonded in place. I'm using a steel 36x45° Cane Creek race in its place.
Stainless Steel
Materials nerds will note that the all-440C stainless steel bearings and races that Enduro is using in their Maxhit headset, and which Chris King uses in their iconic headsets, are significantly softer than the high-chromium steel bearings and races present in the vast majority of headsets. Compared to the materials in their own ABEC-3 and ABEC-5 bearings Enduro says the materials in their Maxhit headsets are about 20% softer.
Enduro is confident they can guarantee these headsets for life for a few reasons. They're really easy to service for a shop or any home wrench who is comfortable removing their own fork. The ball bearings are comparatively massive thanks to the extra space from the headset cups acting as outer bearing races. And, most bearing failures are actually from deterioration rather than loads, corrosion rather than wear.

All arguments about bearing quality and unique construction aside. I'm all-in on that sexy stainless steel aesthetic.

Local trails are steep and I live in a rainforest. I replace a lot of headset bearings in turning wrenches part-time. Photo: JacAttack

I've also had great long-term results from King headsets & Wolf Tooth Premium headsets. Maxhit is not the only premium game in town. Photo: Penny
The keen-eyed nerd may have noticed that some of my photos are of a ZS56 lower cup whereas my custom rig clearly runs a ZS44||EC44 setup. My long-term, multi-year, plan is to test this headset in my Waltworks V2, but it's going away for a while for some major surgery so the Maxhit ZS44 upper assembly will be joining a used ZS56 lower assembly in a test frame for a few months.
Beyond talking about how great it looks, and how smooth it is, it's hard to say much about Enduro's claims on the Maxhit. With a yearly service, I have about a decade of hard use in my current Chris King headset, and I've also had great results with Wolf Tooth's Premium headsets - with Enduro stainless steel bearings. In the shop, it's also impossible to argue with the excellent results I've seen from Cane Creek 110 headsets, etc.

The Maxhit headsets come with this nifty smooth-top stem cap button and preload bolt assembly.

The top button pops off to preload the headset and reattaches positively. No worries about accidental separations.

The stock button is too boring for my personal tastes, but I don't see any reason someone couldn't print custom graphics on blank ones.
Also turning wrenches, I've sold a fair few Enduro stainless bearing upgrades for existing Cane Creek 40 and FSA headsets with great results. And, of course, I'll never argue with folks who would prefer to run a Cane Creek 40 and just replace bearings when they're hooped.
What's the min-max win? First of all, it depends on all the usual suspects. By incline or inclement weather, and simply hours on the bike, there are plenty of riders who can justify a fancy headset without any consideration of what colours it comes in. I can't talk about high-end headsets without having people tell me how many years they have on their bike's stock setup.

Just an excuse to flash some sweet headtube-sized artwork by 'Paint Fast, Ride Slow' Cy Whitling.
Stainless steel bearings and races, 90% filled with Enduro's high-quality waterproof grease, covered by their proprietary double-labyrinth seals and their guarantee for a lifetime of trouble-free, heavy-duty performance.
The Enduro Maxhit stainless steel headset looks fantastic, it's beyond smooth, it's uniquely assembled, and it has a promise of longevity that I'm looking forward to testing. The ZS44||EC44 version runs 140 USD and the ZS44||ZS56 version rings in at 120 USD. They're available now from your preferred local bike shop and direct from Enduro.
Comments
Velocipedestrian
1 year, 11 months ago
Should this
>The ZS44||EC44 version runs 140 USD and the ZS44||EC56 version rings in at 120 USD.
Read ZS44 | ZS56?
Also... Why is Walt V2 at the vet? Will we get pics of it wearing a cone of shame?
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Andrew Major
1 year, 11 months ago
100%! Too many ZS and EC and EC and ZS clearly. Thanks for the catch.
.
Walt V2 had too much fun on steep janky trails with a rigid fork. It’s getting a new headtube and maybe a down tube at the same time (cosmetic dent on the non-drive side - but if it’s getting painted anyways…) and maybe a top tube too as if it’s getting 2/3 why not make the very small tweaks for V2.5.
In other words, I haven’t decided yet. But it needs a headtube at least.
Probably me wearing the cone of shame rather than V2? It’s truculent but I’m hacktastic.
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fartymarty
1 year, 11 months ago
Ovalised HT?
I didn't pick you for a huck to flat kinda guy...
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Andrew Major
1 year, 11 months ago
I’m not. Ha. The trails are steep and janky and there’s a lot of leverage in the headtube as I apply the DH brakes. It’s not something I’ve seen before with a 44mm headtube but saw it/did it in EC34 | 1-1/8” headtube days.
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Lu Kz
1 year, 11 months ago
Peter (Daambuilt) recommended I do 44mm upper and lower on my bike as it was the strongest of the 'standard' sizes. If that's the case, I'm pretty impressed Andrew!
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Andrew Major
1 year, 11 months ago
Yeah, 44mm is the way to go on steel frames, I think. Some companies (Chromag, Kona, etc) are doing 44/56 but aside from Angleset options I don’t know that there’s any advantage.
The whole headtube is oversized now so both the top and bottom cups aren’t pressing in tight.
It’s just hours X terrain + rigid I think.
Skyler
1 year, 11 months ago
I really wish the frame suppliers would make steel 44-56mm headtubes. By getting rid of the EC lower headset, you can make the headtube 10mm longer for the same geo, which is a big deal for frame strength.
Andrew Major
1 year, 11 months ago
@Skyler I'm not a frame builder but I've read mixed reviews regarding the frame strength benefits of going 44/56 and the downtube requirements for good fitment. Regardless, most the steel frame I see with 44/56 have very short headtubes, so couldn't one get the same result from running a longer 44/44 headtube?
It's something I've been thinking about quite a lot lately.
fartymarty
1 year, 11 months ago
Starling uped the headtube spec on the new Murmurs as they had a few 44s ovalise - but that's with a 160mm fork. Good work on doing it on a rigid / 120mm fork.
I remember the old deep cup King steel headsets - I have one in the Keewee frame hanging on my garage wall. Those things were supposed to prevent ovalised headtubes. Is this similar in that it has SS cups?
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Andrew Major
1 year, 11 months ago
No, this has the standard skirt length. Those King headsets and the XL version of the FSA Pig had double the insertion. I’m certain they did help prevent ovalization but most I dealt with were folks who pushed them in after the fact to keep riding frames that were ovalized.
I still have some trauma from removing a couple of those deep cup king SS headsets for folks that wanted to move them to another frame.
[user profile deleted]
1 year, 11 months ago
This comment has been removed.
JT
1 year, 11 months ago
That's a pretty good bargain when you consider what a King is going for these days.
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Andrew Major
1 year, 11 months ago
It’s a different product in terms of manufacturing location, materials, SKU maintenance, legacy, etc. But also, yes.
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DanL
1 year, 11 months ago
I brought my new Doctahawk frame into Lynn Valley Bikes for a headset to be put in and Rick just said "this is the one that's going in"...
so far so smooth, been about 8 months thorugh the rain/winter etc and it's been exceptional especially when considering the price
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Andrew Major
1 year, 11 months ago
Have you serviced it Dan, or still running on original grease? Still as smooth as day 1?
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DanL
1 year, 11 months ago
Still smooth, still lovely. I've been messing around with fork lengths and whatnot so it's been opened up and inspected at least 3 times in it's running time. Grease is still in there with zero water/dirt ingress. Plus it survived a week of hamfisted lack of tightening.
I'm going to be changing forks again so that'll be the next time I inspect it, but I don't have much reference for how often to inspect apart from end of season/overhaul of other components unless I can feel grittiness/notchiness etc - like pedals or BBs I suppose
And that's a sick headtube badge, is it enameled metal ? More pics and maybe an article on how it came to b?
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Andrew Major
1 year, 11 months ago
It’s actually just a shiny sticker! Happens to be exactly the right size. Hoping I can get a new one off Cy for V2.5.
dave_f
1 year, 11 months ago
I wonder why they would include an aluminum crown race with this headset? I swapped out the aluminum one that came with my CC 110 for the steel CC 70 one, put the aluminum one on the gravel bike. There's a definite step worn into an aluminum crown race after a season on the MTB.
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Andrew Major
1 year, 11 months ago
Don’t have an answer. I suppose it could be weight - though on an all steel headset? - and it’s a crown race not a bearing race so folks do underestimate what they go through. I also have seen nothing but good results from Wolf Tooth’s very solid aluminum races on bikes I’ve installed them on so it may be amount of materials rather than just steel Vs. aluminum.
Personally, I split all my crown races and thick steel races (CaneCreek | Chris King) are nicer to split and fit tighter afterwards.
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mk.ultra
1 year, 11 months ago
Cane Creek 40 Series headset + Cane Creek 110 series crown race is the ultimate value proposition...grease the crap out of your cups and they'll last for year and years.
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earle.b
1 year, 11 months ago
I put in a Hellbender 70 last fall but one of these would possibly make the cut for the next one I need. A steel split crown race option from Enduro would be nice, but I have no problem breaking out the hacksaw to split it myself. The alloy one for the 70 needed the split mod.
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Andrew Major
1 year, 11 months ago
I'm using a CaneCreek steel race with this Enduro headset as I find steel races split-mod much better. Nothing but split races at my place.
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ackshunW
1 year, 11 months ago
Good review, but I have a request! Speaking as a materials need/ Fred, I noticed you started the data train with the 20% delta in hardness figure, but left out the ball bearing size data. I feel adrift!
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Andrew Major
1 year, 11 months ago
I don’t have those numbers for headsets, and the numbers I do have are from Enduro and I have not verified them. But to give some idea of how much more space there is with Maxhit here are the numbers for 30mm Bottom Brackets ball sizes:
Enduro Maxhit stainless : 4.76mm
Chris King stainless : 3.175mm
Enduro ABEC 3 chromium : 3.97mm
BB Infinite ceramic hybrid : 3.175mm
Ceramic speed ceramic hybrid : 3.175mm
Kogel ceramic hybrid : 3.175
I haven’t had good results in local conditions with ceramic hybrid bearings - races wear quickly?
I think materials matter more than size in outlasting chromium-steel setups.
Hope that’s interesting/helpful.
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Blofeld
1 year, 11 months ago
This is very interesting!
On review of the (legacy) marketing material today, there was some indication of the load capacity being higher with the bigger bearings. The relevance of this is perhaps questionable considering the headtube failure previously mentioned.
Any ideas of how these headsets differ in terms of cost and effort to service the parts that wear?
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Andrew Major
1 year, 11 months ago
Other than King and Maxhit to the best of my knowledge with the other bottom brackets you’d replace the BB when the bearing is toast. That said, I think ceramic hybrid bearings are dumb for mountain bike applications so that may not be the case for all units.
With King and MaxHit I’d expect to never replace a bearing. With King if you kill it (have had the experience with a BB but not a headset) they’ll build a new bearing into your cup. With Enduro they’ll replace the headset at no charge.
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AndrewR
1 year, 11 months ago
I had some issues with RWC Enduro ceramic bottom bracket bearings and they just replaced them with no quibble what so ever. A couple of photos so that they could see what the issue was and new bearings in the post the next day. They paid for one set to go back to them so they could work out what was happening (external seals letting contamination into the races which did something weird to the grease).
They were insanely smooth when they were new but decided that they were not worth the hassle.
My BBInfinite Ceramic WS2 bearings/ bottom brackets on the other hand are still running issue free.
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OldManBike
1 year, 11 months ago
If Andrew dies from a mysterious poisoning in the weeks ahead, let’s promise to tell everyone about the headset cap.
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Andrew Major
1 year, 11 months ago
Had not considered its storage potential.
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OldManBike
1 year, 11 months ago
I meant this.
https://www.forbes.com/sites/roberthart/2022/03/29/putins-poisonous-playbook---before-abramovich-russia-has-a-dark-history-of-reportedly-poisoning-opponents/amp/
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Andrew Major
1 year, 11 months ago
Ah. I’m pretty sure Vlad has bigger fish to fry and knows he’s a dick head.
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DanL
1 year, 11 months ago
It'll probably be defenestration, so just stick to small buildings.
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Andrew Major
1 year, 11 months ago
Hahahaha. Noted! Nothing over two floors.
Pretty sure I still have more to fear from Liv-Giant than Vlad The Invader.
Blofeld
1 year, 11 months ago
I Googled Maxhit today and the original release was at Sea Otter…2021. That’s a pretty long lead time. Any idea what happened between the then and the now?
I have a Hellbender BB and headset in my frame rn and will definitely be grabbing one of these when the bearings get unacceptably grindy. It’s a nice combination of silver, rebuildable and burly.
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Andrew Major
1 year, 11 months ago
Maxhit has been out for quite a while. I’ve talked to a couple riders with maybe a year on headsets or bottom brackets.
Either way, many, many products have been very delayed coming to markets the last couple years. So not a big deal I’d think.
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lookseasyfromhere
1 year, 11 months ago
I was expecting at least $500. By comparison $140 is quite reasonable. Especially in a world with $1000 cranks.
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Andrew Major
1 year, 11 months ago
Wow. Based on that expectation it’s an amazing bargain. Which is the trap I keep falling into at the grocery store when I see stuff on sale for what it would actually cost if prices were based on inflation not greedflation.
It’s still just a headset.
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Duncan Wright
1 year, 11 months ago
I was noting the other day that the aforementioned $1000 cranks seem like a bargain now that we also have $1500 cranks that will snap if you happen to pedal strike.
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Skooks
1 year, 11 months ago
Knolly Tyaughton 44/56 seems to be holding up well for me.
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Andrew Major
1 year, 11 months ago
Enduro makes a Maxhit headset that will fit when you're ready for a 44/56 replacement.
44/56 is great, though I can't help but wonder if there are limited production options and that's why frames that come with them seem to use such short headtubes. Either way, I don't think my experience is any reason for most riders to shy away from 44/44 for the vast majority of steel frame applications.
I mean, maybe there's some debate for aggressive North Shore Rigid riding, hahaha.
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knollybikes.com
1 year, 11 months ago
I don't think that 44/56 is that common in the frame builder would simply because of available offerings from tube vendors. I don't know for sure though, since it's not a world that we work in.
While we are not the only steel frame vendor with a 44/56 head tube...,we do make priority tooling for all tube sets used in all of our bikes: Tyaughtons are no exception and their headtubes (steel and titanium) are unique to us.
Cheers,
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knollybikes.com
1 year, 11 months ago
To the original post:
Andrew's article is bang on in terms of the options in the industry.
The Enduro Maxhit parts are great: several of our staff have them and while it's too early to talk about their long term lifespan (since they have only been on the market for a relatively short time), early results are excellent.
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AndrewR
1 year, 11 months ago
Builders can be odd people however such as those builders that only offer a 30.9 mm seat tube rather than 31.6 mm (essentially the same weight dropper but without the seat collar pinch issues) essentially choosing to use what is easier or cheaper for them to source rather than use what is best for the customer.
I am not saying it is the same decision making process with the HT head set spec however there is some weird in the world when it comes to choosing HT length, especially on L and XL frames in longer travel uses. It is pretty easy to imagine that there are going to be some horrible forces going into the head tube on an XL 160-170 mm travel bike.
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Chris Schafer
7 months, 1 week ago
How did the Canecreek crown race work out? I am doing an install on my transition sentinel and was thinking if they fit those lower seals seem like a good idea here in the PWN. Not sure if you saw the Enduro labs stress test they published featuring these in the BB. Pretty impressive that the only thing that did better were the high end ceramic hybrid with a similar larger design for 2X the price. I like idea of having less floating parts and the abilty to have higher preload force to hopefully help keep the creaks away.
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