Last updated: August 20th, 2023
As soon as you start searching online for good ergonomic office chairs, you’ll come across terms like “centre-tilt” and “knee-tilt”. These refer to office chair tilt mechanisms that enable their movement.
The mechanism is the “heart” of your office chair.
Choosing the right one is important because it determines the chair’s comfort levels for your particular use case, as well as the chair’s price.
(Related: 7 Best Office Chairs For WFH).
How Do You Use Your Office Chair?
Before deciding on a tilt mechanism, pay attention to your sitting habits throughout your workday. They’ll fall into one of the following three categories:
- Primarily Tasking. You sit upright, almost forward, while you type (e.g., writer, executive assistant).
- Primarily Reclining. You rock back, either a little or a lot, while conducting interviews, having phone conversations or thinking through ideas (e.g., manager, executive).
- Combination Of Both. You alternate between tasking and reclining (e.g., software developer, doctor).
Now that you understand your use case, let’s take a closer look at each office chair tilt mechanism in detail and see which one is best for you.
Related: How To Choose An Office Chair For Maximum Productivity).
1. Centre Tilt Mechanism.
Also known as the swivel-tilt or single-point tilt mechanism, this design locates the pivot point of your chair directly underneath the centre of the chair.
The backrest tilt (angle between the seat pan and the backrest) remains constant as you recline.
Centre-tilt mechanisms are usually found on cheap office chairs.
- The key drawback of this tilting mechanism is the rapid rise of the seat pan’s front lip, which causes your feet to come up off the ground.
Apart from making you feel like a kid on a swing, this can create pressure on the underside of your legs and restrict circulation.
You will likely get pins and needles in your toes.
Reclining in a centre-tilt chair tends to create a sense of toppling over, rather than sinking down and back.
✔ Excellent choice for tasking.
✘ Poor choice for reclining.
✘ Poor choice for combination use.
(Related: Complete Guide To Office Chair Prices).
2. Knee Tilt Mechanism.
Knee tilt mechanisms represent a huge improvement on the centre tilt mechanisms.
This has two benefits.
- First, your feet do not raise off the ground as you recline, creating a much more natural sitting experience.
- Second, because the bulk of your weight stays behind the pivot point, your experience of initiating the recline will feel smoother and more natural.
An office chair with a knee-tilt mechanism is a great all-rounder. Incidentally, it’s also the most common design you’ll find on gaming chairs (differences between gaming and ergonomic chairs).
✔ Good choice for tasking.
✔ Good choice for reclining.
✔ Good choice for combination use.
3. Multifunction Mechanism.
My least favourite of all, the multifunction mechanism, is the ultimate rubbish compromise.
Also known as an asynchronous mechanism, it functions in a way that’s very similar to centre-tilt, except it gives you the option to lock the tilt in any position using a seat angle lock mechanism.
(Related: Where Should The Lumbar Support Be Placed?)
Additionally, it allows you to tilt back the backrest, which means you can theoretically find the optimal backrest angle.
- The drawback is fiddliness. A huge amount of it.
Reclining is at least a two-step process with a multifunction mechanism – possibly even three if you need to fine-tune.
✔ Excellent choice for tasking.
✘ Poor choice for reclining.
✘ Poor choice for combination use.
4. Synchro-Tilt Mechanism.
The synchro-tilt mechanism is a popular choice for many mid to high-end ergonomic office chairs.
When you lean back in your synchro-tilt office chair, the seat pan will tilt one degree for every two degrees that you recline the backrest.
- This minimisation of seat pan rise allows your feet to stay on the floor while you recline.
Gears that enable this fixed ratio synchronous tilt movement are expensive and complex.
Previously, the synchro-tilt mechanism was found only on ultra-expensive chairs, but over the years has trickled down into mid-range models.
✔ Good choice for tasking.
✔ Excellent choice for reclining.
✔ Excellent choice for combination use.
(Related: 7 Benefits Of Ergonomic Chairs).
5. Weight-Sensitive Mechanism.
Weight-sensitive mechanisms emerged in response to complaints from people who work in open-plan offices without designated seating.
If you’ve ever worked in one of those environments, you’re familiar with a problem where you plonk yourself into a new chair, and then proceed to fiddle with controls for the next five minutes.
It senses your weight and direction of lean, then translates them into a correct angle of tilt, tension and seat pan depth.
Sceptical? I was, too.
Alas, I discovered that these systems work remarkably well – especially in high-end chairs like Humanscale Freedom and Herman Miller Cosm.
✔ Good choice for tasking.
✔ Excellent choice for reclining.
✔ Excellent choice for combination use.
Which Office Chair Tilt Mechanism Is Best?
Choosing the right office chair mechanism for your needs is critical for your long-term comfort and productivity. The punchline to this story is – somewhat predictably – you get what you pay for.
If you do more research, you may also find a few mechanisms I didn’t include in this guide – the forward tilt and forward glide tilt mechanisms.
You’ll find that many chairs with weight-sensitive and synchronous tilt mechanisms incorporate those design features, so you’re best off choosing one.
Steven
Cody says:
Hi,
Do you know 9am HOME standing desks?
I want to know how about their desk.
Steven McConnell says:
Hi Cody, I’ve never seen them before but I took a quick look for you and I’m 90% certain it’s another Jiecang desk. You can tell by the design of the feet and the lowest height (60cm). Desky, Omnidesk, Stand Desk are all pretty much the same.
Cody says:
Which one do you mean? Pesk or Robin series? I am interested in their Robin series, it looks unique and beautiful. I can’t find anyone like it in Desky.
Steven McConnell says:
I was talking about the Pesk Series. Robin series does look attractive and unusual, but I’m usually not a fan of tubular legs as they tend to be more prone to wobble. I can’t say whether this is the case in this instance, as I haven’t physically tested the desk myself. The 10 year warranty is reassuring, however. I wish they offered a risk-free trial to let you test out the legs!
Cody says:
Thank you very much, Steven; I will take your comments into consideration.
Erin says:
Do you know much about Kangadesks? There are Australian as well.
Steven McConnell says:
Hi Erin, its another Jiecang standing desk. Same as Desky, Omni, Stand Desk etc. The design of the feet and 60-125cm height range gives it away. The desk appears to currently be currently on sale for $299, which is an absolute steal and I’m wondering why they’re selling their stock at 1/3 of RRP. Regardless, even if they’re about to go bust, I’d still buy one at that price.
EDIT: Be careful. Fakespot showed these warnings while browsing their website: “Multiple eCommerce scam experiences detected, Poor customer service”
Suzy says:
Hi – given all the desks are so similar, is it possible to mix a desk from one brand with a drawer accessory from another? I don’t like the UpDown desk metal drawer (hangs very low so likely to impede leg space) but don’t mind the Desky one – can these be mixed and matched?
Thank you for the reviews! Super helpful.
Steven McConnell says:
Yes, it’s possible to play switcheroo. But you may want to consider that UpDown design is curved, so it will hurt less if you do jam your thighs into it. Desky’s meanwhile, is quite angular. Pro tip: you can also find a bunch of inexpensive slimline desk drawers on Amazon.
jason says:
I’ve spent far, far too much time agonising over which desk to get haha, definitely more than a week. Very happy that you’ve added the omni-desk to your catalogue. That was the one I was considering the most untill you came you with a review saying that it was more wobbly!
Anyways, do you have an opinion on the new updown desk KLIK Series? Its advertises to be significanlty ligher while having better (on paper) specs
Thanks!
Evelyn says:
Hi Steven, great blog post – thank you! I’m also wondering whether you have any opinion or insights on the new UpDown Desk KLIK series…they come at $100 more expensive (for the same size/table top) but seem to be ‘better’ according to the UpDown website.
Cheers!
Steven McConnell says:
Hi Evelyn, thanks! I will have a full review of the KLIK up around February 2025. It’s not necessarily a better standing desk – but it is lighter, less bulky and promises easier assembly.
Ben Clements says:
Hi. I’m interested to know more about whether I actually could fit the Desky cable management system in the Omnidesk? I’ve had a look at the omnidesks in person at the showroom and it looks like their cable management trays screw on (vs the clip in at the edges of the desk with the Desky tray). The desky system also has the power plugs that snap into place in the tray.
So I’m curious to know if you have you tried it, and if so how did you do it please? Or is your thinking that you’d just buy the power boards and plugs from Desky and rest them in the Omnidesk tray?
I’m stuck, because I prefer the Omnidesks but I really love the idea of a single power lead!
Thanks
Steven McConnell says:
I just had a new Omnidesk delivered to my house. Give me about two weeks to assemble it, test it out and report back.
Sunni says:
Thanks for your very helpful (and funny) review. I used the information to to buy a Desky standing desk in record time – no consumer agonising for weeks, as is my usual practice. It has a pneumatic up/down mechanism, so lets see how that goes.
Steven McConnell says:
Ha! You’re welcome, Sunni. Glad I helped you cut down on the agonising. The pneumatic mechanism is an interest choice – let me know what you think of it?
Amber says:
Hi Steven,
Really great and insightful review. It was refreshing to see something that wasn’t filled with ChatGPT affiliate link garbage!
I’m curious about your opinion on L-shaped standing desks? I know that Desky, UpDown and a few other retailers offer these types of desks and I would assume they are more strong and stable, but I’m not an expert and I can also imagine the opposite being true due to the irregular shape. I’ve been looking at these types of desks because I think their shape suits my space the best. Do you have any knowledge on this or do you only have experience with regular rectangular shaped desks?
Steven McConnell says:
Thanks, Amber. Did you know that I have a L-shaped standing desk review? Search for “arielle best corner standing desks” and you’ll find it.
Melissa says:
Hi Steven great article thank you!
I’ve spent way to much time on this, and I’m now leaning towards the Artiss thanks to your review.
I’m wondering if you have any insight into ergonomic chairs for the home office also?
Steven McConnell says:
Hi Melissa, thanks! The Artiss is a great budget pick. I’ve written numerous ergonomic chair reviews – Google “arielle best ergonomic office chairs” to find them 🙂
tania says:
hey are there any other manual desks apart from the ikea ones you don’t recommend, that you would recommend? I prefer the idea of not needing electricity to move between stand up and sit down but maybe that doesn’t really exist?
Steven McConnell says:
Hey Tania, all of the premium brands (UpDown, Desky, etc) offer a manual crank model. Definitely the way to go if you want to avoid electronics. But TBH I suggest you reconsider. Electronics are very reliable these days – and hand-cranking your standing desk is more annoying than you’d expect.
Adam says:
Hi, do you know much about the UpDown Klik vs Pro system?
Steven McConnell says:
The company has shipped their new Klik standing desk to me yesterday. Stay tuned!
Scott Long says:
You mention in your review of the Up Down Pro that you would get the cable holes and grommets done, but it looks like your (very pretty) Messmate desk doesn’t have them. Is your recommendation a hindsight reflection, or did you choose not to spoil the look of the desk with the grommets? Without the grommets can you can still run the cables behind the desk and into the cable management tray? Cheers!
Steven McConnell says:
Scott, I said in the review that grommets and holes are a great idea, not that I have them. They’re less important if your standing desk faces a wall. But if you have an open-plan style home office like mine, they’ll make your workspace look much cleaner. PS You can still run cables into the tray without the holes and grommets – the cables will simply run behind the desk.
Isaac Jenkinson says:
Hello,
Have you had a chance to try the new UpDown Lyft model? Curious about its stability vs the pro.
Steven McConnell says:
Isaac,
Not yet. On first glance, it looks like a budget alternative to the “big brothers”. It’s probably pretty good (UpDown has a reputation to maintain), but I’m of the opinion that buying cheap means you pay more in the long term. I’d save up another few hundred bucks and get the Pro. You can often get a melamine or bamboo-topped model on sale for around $900.
David says:
This is a great site and will help me decide on which desk to buy. Have you heard any good/bad reviews about the Blacklyte Atlas Lite or Ergo-Rise II from BDO furniture?
Steven McConnell says:
David, thanks for the kind words. Never heard of the Atlas Lite until you mentioned it. Looks like a decent gaming desk that borrows heavily from Secretlab Magnus – but why not just buy a real Magnus instead?
As for the Ergo-Rise – looks like a decent desk, but its height controller is outdated. The best standing desk brands have upgraded to OLED controllers.
Ben says:
Thank you for writing this review Steven; really helpful to break through the BS.
By any chance have you used or hold an opinion on Vertilift desks?
Steven McConnell says:
You’re welcome. God, I haven’t even heard of them – but thanks for the heads-up. There are too many standing desks on the Australian market. Obviously I haven’t used these in person, but I’m almost certain they’re yet another Jiecang variant (i.e., frames are identical to Desky). You can tell by the identical max and min heights, as well as the design of the foot.
Eloise says:
Hey Steven, I was recommended the Alwyn or Octavia (Living Fusion) 140cm sit and stand desks from Temple and Webster which don’t even get a mention in your review. Would you bother with any of their brands ? (I may have dodged a bullet by finding your review!)
Steven McConnell says:
Hi Louise, I haven’t had first-hand experience with the T&W standing desk (must add one to my list!).
However, I had a look through the specs for you.
It doesn’t look too bad, actually – considering the price. If you can’t stretch your budget to ~$950 for an entry-level UpDown or Desky, this could be a good option.
Jordan says:
Hi Steven, Thanks for the review! I am starting out with a home office set up and need a new chair and sit stand desk. I’m a student but I prefer to buy things I know will last, but I don’t have too much experience with sit stand desks. I initially thought to buy the Artiss but have considered buying the Acacia UpDown Pro+ so I know it lasts and I don’t have to buy another desk in a couple of years. Is it worth the price jump for me? Thanks!
Steven McConnell says:
Hi Jordan, the Artiss and the UpDown desks sell at two very different price points. If you have the budget, I suggest you stretch to the UpDown standing desk – you won’t regret it.
jason says:
I know you’ve disqualified the flexispot e7 pro so the e7 max plus would probably also be disqualified, but a quad motor 4 column desk frame at a prices competitive with UpDown desk is incredibly tempting. Plus 15 year warrenty (if the company lasts that long)
Have you had a chance to take a look? Its like half the price of the desky quad!
Steven McConnell says:
Hey Jason, great observation. I haven’t included quad standing desks here because they’ve traditionally attracted a niche consumer – someone who needs to place a tonne of gear on the desktop and doesn’t mind paying 2X the usual price. But Flexispot’s sharp pricing on their quad desk certainly changes things. I haven’t seen one in the wild yet – but the specs look promising.
Steven