Twisted engineering , flexx bars , or nekon

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1/4/2021 12:26 AM

Looking to try the twisted engineering bars mainly but open to others if you have tried them seeing if any others have had any luck mainly riding motocross with them looking for any help bike wise to reduce my arm pump since I don’t have time to actually ride a lot and get into race shape lol any info would be appreciated

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1/4/2021 8:05 AM
Edited Date/Time: 1/25/2021 2:20 PM

I have had excellent luck with Neken SFS clamps, FasstCo Flexxbars, and XC Gear's Mako360 setup. I actually run them all currently on my various bikes.

I've gone down the Twisted Engineering path several times but keep uncovering failure stories plus could never get responses from the company. It seems like they've had some management issues, maybe have gone out of business/are now back in business(?), etc. Given these challenges I've steered clear.

I'm also generally opposed to composites in areas of serious consequence should they fail. Composite design is not trivial and a small company making composite handlebars is on the edge of my "OK, this is safe and here's why ..." That said, the owner could be an expert in composites and is getting the business off-the-ground, and actually he's moonlighting doing this. He may be an engineer at Boeing and an expert in composite structures. You get the idea, not badmouthing the company/product (have heard many good things, too), just leery for a number of reasons. All I am recommending is to do your homework so you're sure they meet your personal safety criteria.

Some reviews (both positive and negative):


https://thumpertalk.com/reviews/product/42897-twisted-engineering-composi-flex-ii-handlebars/
https://advrider.com/f/threads/twisted-engineering-bars-bad-experience.1248847/
https://www.mototerre.com/2017/12/05/review-twisted-engineering-flex-bar/
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1/4/2021 5:05 PM

I agree 100% awesome idea they have but is it worth the risk of them failing, I’ll look into the neken clamps matched with the flexx bars possibly or do you think the neken clamps with the neken bars would be a better combo ?

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1/4/2021 5:18 PM

I think combining the two different systems would be a mistake. You can tune both the the Flexx bars and the Nekken clamps to get the right amount of flex. I have the Flexx bars and like them. Very sturdy but bulky.

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1/4/2021 7:14 PM
Edited Date/Time: 1/4/2021 7:45 PM

I'd start with either the Neken SFS clamps or FasstCo Flexxbars and see how you like them. Just 1 form of bar movement will likely be enough. I was very pleasantly surprised by both - they are outstanding products. I heard it said once that "Flexxbars are like a good revalve" (Jimmy Lewis). I have to agree for both products.

If I had to choose, I might go with the SFS clamps. I like the quick air adjustability and the fact that no matter what position your bars are in, you get telescoping/articulation parallel to the fork - which is the shock/input you are trying dissipate, so this is most efficient. You also get an infinite choice of bar bends.

On the other hand, you can move Flexxbars from bike to bike. That is pretty dang nice. And I've done it often. I also really dig the crew at Fasst Company. Nice, hardworking, dedicated folks. They always respond. Neken, not so much. I have yet to get them to ever to return an email or a call. When I think about it that way, I lean toward Flexxbars ...

But to be clear, both products are amazing. You'll be happy with either is my guess.

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1/5/2021 6:43 AM

TE flex bars are better than Flexxbars in pretty much every way. They are like a boat anchor compared to the composite bars.

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1/5/2021 9:17 AM

Tuna - sounds you've had great luck with your TE bars. Tell us more! Bar model (2x, 3x, 4x), any major crashes and the resultant damage to the bars?

I'd love to hear how this product has evolved.

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1/5/2021 9:42 AM

What bike and mounts are on there currently?

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1/5/2021 10:17 AM

Rider 5280 wrote:

Tuna - sounds you've had great luck with your TE bars. Tell us more! Bar model (2x, 3x, 4x), any major crashes and the resultant damage to the bars?

I'd love to hear how this product has evolved.

I’ve run both brands, I just prefer the TE bars. They are light, not bulky, flex every way etc. I’m still rocking a Gen 2 set of KTM low X3.
Moved them from bike to bike. Mostly woods but they have a ton of MX hours on them as well. I’d say I have a good 250 hours on the bars. No issues at all. I’ve heard of them breaking but honestly seen more broken aluminum bars than TE bars.
Pretty sure the company has new ownership, new website up. They’ve had their issues in the past with customer service as they were a two man show. They custom fabbed me a damper mount for my Scott’s and ended up doing it for free as they screwed it up a couple times.
Looks like they are $400 now, not cheap but if you have jacked elbows abs shoulders like me they really help. First time I ever ran them I actually had to go stiffer on fork compression.

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1/5/2021 10:25 AM

I’ve definately had some good crashes with them and they’ve hit the ground many times. I ride a lot of rock and hard terrain. I’ve also run them all winter down to about 10 deg Cel. They are marked up, chipped etc. I’ve always used tie downs with them attached to the bars until recently I started attaching them to the lower triple clamps.

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1/5/2021 10:27 AM

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1/5/2021 12:45 PM

Interesting comparison:

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1/8/2021 10:07 AM

erik_94COBRA wrote:

What bike and mounts are on there currently?

Currently have a 2020 tm144mx and a 18 tc250 with 3.2 hours on it most likely just keeping the tm 144. The clamps on it now are super light weight just looking for best setup possible.

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1/8/2021 12:22 PM

erik_94COBRA wrote:

What bike and mounts are on there currently?

werner822 wrote:

Currently have a 2020 tm144mx and a 18 tc250 with 3.2 hours on it most likely just keeping the tm 144. The clamps on it now are super light weight just looking for best setup possible.

If the bars mounts are solid mounted without the rubber vibration dampers on the TM then any setup would be an improvement. I had a noticeable decrease in arm pump when I switched from solid mounts on a Honda CR250 and on my 14 150 SX.

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1/9/2021 8:30 AM
Edited Date/Time: 1/9/2021 8:32 AM

I have used flex bars on many bikes over the past 15 years. I also had many years of being able to ride only sparingly and fought arm pump during those times. IMHO these bars/suspension clamps do not help with arm pump at all.

I used the bars to reduce the sharp movements transmitted to my wrists. I have a bad wrists that I tape and use wrist guard with and can’t even ride sometimes due to too much pain. The bars are awesome for that. buy in no way shape or form have the helped me with arm pump.

What DOES help me for arm pump is to row 2-3 times a week on my C2 rower. Even if I am not riding, as long as I am rowing, the arm pump is much much better when I make it out to the track.

If you are trying to address arm pump, save your money and spend it on a rower instead. You’ll get a helluva lot more use out of that.

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1/9/2021 9:01 AM
Edited Date/Time: 1/9/2021 9:05 AM

Great tip on that C2 rower. Checking that out now ... this is it, yes?
https://www.roguefitness.com/black-concept-2-model-d-rower-pm5?gclid=EAIaIQobChMIku3Z26qP7gIVyb3ACh34bQL0EAAYASAAEgLJk_D_BwE

As another perspective - because we all ride different: the reason Flexxbars help reduce arm pump for me so much is that I relax my grip more when riding. I mentally know the benefit/extra control/safety margin they help provide, so I simply can be waaaay more relaxed.

P.S. I failed to mention I also run a steering damper on all of my bikes in conjunction with all the bars setup I mentioned above. The damper just adds to to overall control package. Sorry, I should have mentioned that early on.

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1/9/2021 10:25 AM

Rider 5280 wrote:

Great tip on that C2 rower. Checking that out now ... this is it, yes?
https://www.roguefitness.com/black-concept-2-model-d-rower-pm5?gclid=EAIaIQobChMIku3Z26qP7gIVyb3ACh34bQL0EAAYASAAEgLJk_D_BwE

As another perspective - because we all ride different: the reason Flexxbars help reduce arm pump for me so much is that I relax my grip more when riding. I mentally know the benefit/extra control/safety margin they help provide, so I simply can be waaaay more relaxed.

P.S. I failed to mention I also run a steering damper on all of my bikes in conjunction with all the bars setup I mentioned above. The damper just adds to to overall control package. Sorry, I should have mentioned that early on.

I also run a GPR V4 damper and have done so on every bike I have had since 2007 or so. I agree this helps a bit with arm pump, but no where near as much as the C2 rower! :-) The damper does let me survive on a rough track a bit longer at speed. I tried without it for a bit on my current bike but eventually added it after all.

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1/9/2021 10:30 AM

Rider 5280 wrote:

Great tip on that C2 rower. Checking that out now ... this is it, yes?
https://www.roguefitness.com/black-concept-2-model-d-rower-pm5?gclid=EAIaIQobChMIku3Z26qP7gIVyb3ACh34bQL0EAAYASAAEgLJk_D_BwE

As another perspective - because we all ride different: the reason Flexxbars help reduce arm pump for me so much is that I relax my grip more when riding. I mentally know the benefit/extra control/safety margin they help provide, so I simply can be waaaay more relaxed.

P.S. I failed to mention I also run a steering damper on all of my bikes in conjunction with all the bars setup I mentioned above. The damper just adds to to overall control package. Sorry, I should have mentioned that early on.

Yes, that is the rower. There is a waiting list for them due to the 'rona, but they are worth every penny for a motocrosser. My number one tip though is to keep the resistance level rather high (> 8) if you are trying to keep arm pump away for moto. At lower resistance levels it doesn't stimulate those forearms/shoulders as much as you get from riding so it doesn't help.

I found this out the hard way - I had used mine at the high resistance level for a long time and had great results. But then saw that the rower replicates "rowing on water" like crew boats better at low resistance level so I switched for a couple months and then noticed a steady decline in moto endurance (forearm fatigue). I finally put two-and-two together, switched back to the higher resistance, recovered the forearm endurance and never looked back!

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1/9/2021 11:42 AM
Edited Date/Time: 1/9/2021 11:51 AM

Awesome C2 rower tip - a big THANK YOU coastie44!

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1/9/2021 2:34 PM

erik_94COBRA wrote:

What bike and mounts are on there currently?

werner822 wrote:

Currently have a 2020 tm144mx and a 18 tc250 with 3.2 hours on it most likely just keeping the tm 144. The clamps on it now are super light weight just looking for best setup possible.

erik_94COBRA wrote:

If the bars mounts are solid mounted without the rubber vibration dampers on the TM then any setup would be an improvement. I had a noticeable decrease in arm pump when I switched from solid mounts on a Honda CR250 and on my 14 150 SX.

10-4 I agree I also agree with actually riding will help arm pump but don’t have that luxury of getting into actual riding shape but may loom into to row machine also

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1/9/2021 2:36 PM

Rider 5280 wrote:

Great tip on that C2 rower. Checking that out now ... this is it, yes?
https://www.roguefitness.com/black-concept-2-model-d-rower-pm5?gclid=EAIaIQobChMIku3Z26qP7gIVyb3ACh34bQL0EAAYASAAEgLJk_D_BwE

As another perspective - because we all ride different: the reason Flexxbars help reduce arm pump for me so much is that I relax my grip more when riding. I mentally know the benefit/extra control/safety margin they help provide, so I simply can be waaaay more relaxed.

P.S. I failed to mention I also run a steering damper on all of my bikes in conjunction with all the bars setup I mentioned above. The damper just adds to to overall control package. Sorry, I should have mentioned that early on.

coastie44 wrote:

I also run a GPR V4 damper and have done so on every bike I have had since 2007 or so. I agree this helps a bit with arm pump, but no where near as much as the C2 rower! :-) The damper does let me survive on a rough track a bit longer at speed. I tried without it for a bit on my current bike but eventually added it after all.

Always been a believe in stabilizers !

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1/9/2021 3:46 PM

coastie44 wrote:

I have used flex bars on many bikes over the past 15 years. I also had many years of being able to ride only sparingly and fought arm pump during those times. IMHO these bars/suspension clamps do not help with arm pump at all.

I used the bars to reduce the sharp movements transmitted to my wrists. I have a bad wrists that I tape and use wrist guard with and can’t even ride sometimes due to too much pain. The bars are awesome for that. buy in no way shape or form have the helped me with arm pump.

What DOES help me for arm pump is to row 2-3 times a week on my C2 rower. Even if I am not riding, as long as I am rowing, the arm pump is much much better when I make it out to the track.

If you are trying to address arm pump, save your money and spend it on a rower instead. You’ll get a helluva lot more use out of that.

You are right! Still think the clamps or bars will help some but I will look into the row machine thank you for the feedback.

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1/24/2021 7:35 PM

I switched from Flexx bars to TE gen 2 bars, 3x I believe and liked them much more. I will never run flexx bars again. I ran several versions of the flexx bar as they got better over the years. Apple and oranges.

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1/25/2021 3:54 PM
Edited Date/Time: 2/2/2021 8:33 PM

seanmx57's comments got me curious, so I emailed Twisted Engineering earlier today, gave them my cell phone # to talk, and asked the following:

(1) What bar flex would you recommend for a guy who rides motocross and off-road. I’ve had the opportunity to try FasstCo Flexxbars, Neken SFS clamps, and XC Gear’s Mako 360 and liked them all. Wondering how you would equate the flex of your bars to these products for comparison?
(2) I’ve heard of a few serious failures of your composite bars. What’s changed in your product to make sure there is no potential for injury?
(3) Composites design and manufacturing is a serious specialty. What is your professional background that got you into this type of product?

Twisted Engineering owner Doug Nordberg returned my call to discuss my questions in detail (way more efficient) - I like his style. I have ZERO RESERVATIONS after talking with Doug at length. ZERO. He's a mechanical engineer and I used to be a design engineer as well, so we could dive right into failure modes, bending planes, supply chain challenges (carbon fiber sourcing, etc.), custom epoxy resin blends, F1 wheel retention technologies (20 ksi cables - TE bars implement this technology for safety!), we talked about TE's challenges and him retaking the helm in 2018, blah blah blah. I was super impressed.

I am 5'11" and 175 lbs w/o gear, Vet B/C ability. He recommended the 4X flex for me. He said he'd have recommended 3X if I was pro level, but yeah ... not so much. He also mentioned he's never had a customer ask for a stiffer bar, so he was highly confident in the 4X recommendation. For reference, the 3X is ~ 12.5% stiffer than the 4X.

Guys - I am currently sold. I am a detail and safety freak and this guy's CURRENT design checks all my boxes (3rd generation, gen 1 and gen 2 do not). I will be trying a pair this summer and share out my findings.

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1/25/2021 4:35 PM

Rider 5280 wrote: seanmx57's comments got me curious, so I emailed Twisted Engineering earlier today, gave them my cell phone # to talk, and asked the following:

(1) What bar flex would you recommend for a guy who rides motocross and off-road. I’ve had the opportunity to try FasstCo Flexxbars, Neken SFS clamps, and XC Gear’s Mako 360 and liked them all. Wondering how you would equate the flex of your bars to these products for comparison?
(2) I’ve heard of a few serious failures of your composite bars. What’s changed in your product to make sure there is no potential for injury?
(3) Composites design and manufacturing is a serious specialty. What is your professional background that got you into this type of product?

Twisted Engineering owner Doug Nordberg returned my call to discuss my questions in detail (way more efficient) - I like his style. I have ZERO RESERVATIONS after talking with Doug at length. ZERO. He's a mechanical engineer and I used to be a design engineer as well, so we could dive right into failure modes, bending planes, supply chain challenges (carbon fiber sourcing, etc.), custom epoxy resin blends, F1 wheel retention technologies (20 ksi cables - TE bars implement this technology for safety!), we talked about TE's challenges and him retaking the helm in 2018, blah blah blah. I was super impressed.

I am 5'11" and 175 lbs w/o gear, Vet B/C ability. He recommended the 4X flex for me. He said he'd have recommended 3X if I was pro level, but yeah ... not so much. He also mentioned he's never had a customer ask for a stiffer bar, so he was highly confident in the 4X recommendation. For reference, the 3X is ~ 12.5% stiffer than the 4X.

Guys - I am currently sold. I am a detail and safety freak and this guy's CURRENT design checks all my boxes (3rd generation, gen 1 and gen 2 do not). I will be trying a pair this summer and share out my findings.

You may need to change your compression settings on your fork after installing a set of 4X.

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