MTB Tech Rumors and Innovation

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chriskief
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793
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New York, NY, USA
Fantasy
4/11/2025 12:46pm
To me it looks like the foam model of whats probably going to be the next Enduro, rather than this high pivot. What will be interesting is...

To me it looks like the foam model of whats probably going to be the next Enduro, rather than this high pivot. 

What will be interesting is how they try to ebike that design- neither yours, the foam model, or the patent fillings have enough room for a motor. 

This one looked like a motor was possible.

OBB-non-Idler
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1
4/11/2025 1:01pm
chriskief wrote:

Those cranks look very short. Maybe 5DEV?

No chance they are 5DEV, Loic wants to get to the end of a run with 2 crank arms!

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B Rabbit
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4/11/2025 1:39pm
Possibly related, in the recent MBR video about the new Levo, there is this foam model next to the one of the designer's desks: In the (possibly...

Possibly related, in the recent MBR video about the new Levo, there is this foam model next to the one of the designer's desks:

IMG 7621 0IMG 7622 0

 

In the (possibly relevant) rendering above the models, it looks to be a bike with a single crown:

IMG 7621 detail 0.jpg?VersionId=BUYvMbQJSjkhiF

 

Yes yes yes!!! 
Finally some movement on the new Enduro! Maybe it’s not too far away. Spesh always strategically place some Easter eggs in their videos, nice catch! 

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1
4/11/2025 1:43pm
B Rabbit wrote:
Yes yes yes!!! Finally some movement on the new Enduro! Maybe it’s not too far away. Spesh always strategically place some Easter eggs in their videos, nice...

Yes yes yes!!! 
Finally some movement on the new Enduro! Maybe it’s not too far away. Spesh always strategically place some Easter eggs in their videos, nice catch! 

The foam mockup reminds me of a skid steer arm haha

4/11/2025 5:07pm

Yeah, gonna be a big shock tunnel for an enduro bike, that's he first thing spec should improve.

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4/11/2025 5:30pm
Etney wrote:
Fox USD fork confirmed (or at least they are showing it as a prototype)Pic borrowed from the pink site

Fox USD fork confirmed (or at least they are showing it as a prototype)

Pic borrowed from the pink site
31fc0f259a3010a5c8e6fdefeb87daef 0.jpg?VersionId=lGN4DkcPvBlrXuWQyrrvAgKOsQ6Y

TEAMROBOT wrote:
I can't figure out why anyone making an inverted fork in 2025, especially a single crown inverted fork, wouldn't use the Manitou hex axle to add...

I can't figure out why anyone making an inverted fork in 2025, especially a single crown inverted fork, wouldn't use the Manitou hex axle to add torsional stiffness. The patent is expired and it adds almost no weight. I imagine a 15mm hex axle is significantly stiffer in torsion than a round 20mm axle, and doesn't require a new front hub. Especially if you're already doing pinch bolts, you can do it the way the Dorado has been doing it since 2002? It's so simple!

Manitou Axles - S4 Suspension

We'd finally settled on Boost 15mm as a trail bike front hub, and now it's blowing up again. Sigh.

They axle isn't really in torsion though (that would be both legs rotating opposite way around the hub) so I'm not sure how helpful is? A 20mm axle or maybe torque caps are probably the better options out of what already exists

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MTBrent
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Location
Concord, NH, USA
Fantasy
4/11/2025 6:59pm

Turner back in the FS game?!

IMG 6630 0
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4/11/2025 7:13pm
There are a few people who I eagerly await pre-season race footage of, top of the list is Loic and based on his recent story I'd...

There are a few people who I eagerly await pre-season race footage of, top of the list is Loic and based on his recent story I'd say we aren't disappointed. New/Raw brake calipers, possibly uncovered rear shock finally, new chainstay, new/kinked seat tube? There's too much and yes I am hoping someone posts the screenshots for me. 

MTBrent wrote:
IMG 6628IMG 6627
chriskief wrote:

Those cranks look very short. Maybe 5DEV?

I don't think the Spesh team leaves that much to chance.

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monarchmason
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Nevada City, CA, USA
4/11/2025 7:18pm
MTBrent wrote:
Turner back in the FS game?!

Turner back in the FS game?!

IMG 6630 0

Essentially an aluminum Pivot frame with hopefully non super boost. If it turns out to be cheaper, they will sell heaps most likely. At least in my thinking

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MTBrent
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Concord, NH, USA
Fantasy
4/11/2025 7:31pm
Essentially an aluminum Pivot frame with hopefully non super boost. If it turns out to be cheaper, they will sell heaps most likely. At least in...

Essentially an aluminum Pivot frame with hopefully non super boost. If it turns out to be cheaper, they will sell heaps most likely. At least in my thinking

Definitely a Ti front triangle given the rest of the Turner range. I love DT’s design ethos, so I’m intrigued. 

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4/11/2025 7:43pm Edited Date/Time 4/11/2025 7:56pm
They axle isn't really in torsion though (that would be both legs rotating opposite way around the hub) so I'm not sure how helpful is? A...

They axle isn't really in torsion though (that would be both legs rotating opposite way around the hub) so I'm not sure how helpful is? A 20mm axle or maybe torque caps are probably the better options out of what already exists

There is a component of torsion and a component of bending. For the wheel be misaligned with the bars/stem, one fork leg has to be angled forward/backward (however you chose to view it) relative to the other. An easy way to visualize this is hold a bar straight out in front of you firmly holding one end with each hand and try and pull one hand down. Then do the same thing but with one hand very loosely holding the bar. It becomes much easier to lower the one hand and the bar will rotate slightly in the hand with a looser grip. 

5
4/11/2025 9:26pm

The big question regarding all these new USD forks is, where are we putting the mudguard?  

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1
Eae903
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Not Saying., WY, USA
Fantasy
4/11/2025 9:41pm
Ernst_ wrote:
https://www.megamo.com/de/e-bike/e-mountainbike-fully/reason/reason-crb-01-(26)New XT on this BIke. Bike itself looks interesting- never heard of them.

https://www.megamo.com/de/e-bike/e-mountainbike-fully/reason/reason-crb-01-(26)

grafik 5.png?VersionId=JR42 ySyuaPU8mNpwp3hlIUV

New XT on this BIke. Bike itself looks interesting- never heard of them.

Just the brakes? Any new derailleurs? 

1
4/11/2025 11:14pm

Gotta admit I'm pretty excited to see this upside down fork battle play out, I'm guessing more manufacturers will join the race. Both Fox/Cane Creek protos look dialed, the CC takes the cake with its machined looks but I'd happily ride either.

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4/11/2025 11:18pm
chriskief wrote:

Those cranks look very short. Maybe 5DEV?

No chance they are 5DEV, Loic wants to get to the end of a run with 2 crank arms!

They dont hold asa back 

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Primoz
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Location
SI
4/11/2025 11:23pm
There are a few people who I eagerly await pre-season race footage of, top of the list is Loic and based on his recent story I'd...

There are a few people who I eagerly await pre-season race footage of, top of the list is Loic and based on his recent story I'd say we aren't disappointed. New/Raw brake calipers, possibly uncovered rear shock finally, new chainstay, new/kinked seat tube? There's too much and yes I am hoping someone posts the screenshots for me. 

MTBrent wrote:
IMG 6628IMG 6627

That fork coating is reminiscent of the older rockshox 26in models. What is it? I forgot if it was Titanium Nitride or something else.

Reminds me of the coffee related named Marzocchi models from before they were bought out by Fox... 

3
Primoz
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SI
4/11/2025 11:52pm
whitesq wrote:
Forgot about that and props to Primoz, it is an insightful post. However, it is only looking at wag and not roll. If he did include...

Forgot about that and props to Primoz, it is an insightful post. However, it is only looking at wag and not roll. If he did include roll, I'd venture to guess the results would be similar though, the USD is not as stiff as a RSD. But the nuance of the whole game is what is the right amount of flex/stiffness/compliance? 

I think a lot of the roll in the rear wheel is generated by the way the frame is designed and I would not be surprised there is fairly little (compared to the rear) roll going on with the front wheel. You would be twisting the wheel basically towards the stanchion where the fork is the strongest. I'd guess most of the loading generated in this direction would be deflected to a different axis/plane just due to the structure of the fork, it buckling out of axis, etc. 

If we are talking about roll specifically, I would not be surprised if roll was a much bigger factor with USD forks (no bridge) than with rsu forks (I also tested a bridge less RSU fork in that analysis and it's a noodle) but at the same time I would be surprised if the main factor generating roll was rider's inputs vs. The fork itself - the forces generated by the spring are not the same as the forces generated by the damper, on the return stroke they are not only not the same scale, they are even working one against the other so actually working really strongly to generate roll. With an USD fork the stanchion-interface-to-dropout, dropout itself, the axle (diameter and thickness) and it being clamped into the dropout and the hub assembly is the only thing preventing roll generated by the stanchions moving unsynchronised. 

2
Primoz
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Location
SI
4/11/2025 11:56pm
Etney wrote:
Fox USD fork confirmed (or at least they are showing it as a prototype)Pic borrowed from the pink site

Fox USD fork confirmed (or at least they are showing it as a prototype)

Pic borrowed from the pink site
31fc0f259a3010a5c8e6fdefeb87daef 0.jpg?VersionId=lGN4DkcPvBlrXuWQyrrvAgKOsQ6Y

TEAMROBOT wrote:
I can't figure out why anyone making an inverted fork in 2025, especially a single crown inverted fork, wouldn't use the Manitou hex axle to add...

I can't figure out why anyone making an inverted fork in 2025, especially a single crown inverted fork, wouldn't use the Manitou hex axle to add torsional stiffness. The patent is expired and it adds almost no weight. I imagine a 15mm hex axle is significantly stiffer in torsion than a round 20mm axle, and doesn't require a new front hub. Especially if you're already doing pinch bolts, you can do it the way the Dorado has been doing it since 2002? It's so simple!

Manitou Axles - S4 Suspension

We'd finally settled on Boost 15mm as a trail bike front hub, and now it's blowing up again. Sigh.

They axle isn't really in torsion though (that would be both legs rotating opposite way around the hub) so I'm not sure how helpful is? A...

They axle isn't really in torsion though (that would be both legs rotating opposite way around the hub) so I'm not sure how helpful is? A 20mm axle or maybe torque caps are probably the better options out of what already exists

Clamping down on the axle is what improves torsional rigidity of an usd fork. Besides bending the stanchions also twist a bit and also twist around the axle. Clamping that down makes it a bit stiffer. 

3
Jakub_G
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384
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8/7/2019
Location
SK
4/11/2025 11:56pm
TEAMROBOT wrote:
This looks like a good way to get rid of the vulnerable pull link that was hanging out under the BB on the last version of...

This looks like a good way to get rid of the vulnerable pull link that was hanging out under the BB on the last version of the Demo prototype. But I'm surprised to hear it has "pretty high anti-rise," and I'm also curious what numbers you think are pretty high, aka above or below 100%

Specialized has been on the very very low AR program for a long time, in the 40-60% range on the Demo, Enduro, and Stumpjumper for years and years. I would be shocked if they went above 100% on the new Demo, and that would represent a big change in suspension philosophy for them.

They were also promoting very low anti squat (or even pro squat), no chain growth, very little to no progression at all etc. And here we are 🤷🏻

4
Jakub_G
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Location
SK
4/11/2025 11:57pm
Carraig042 wrote:

With a 15mm hex axle.

 

It's not hex axle, more like square with rounded edges. Nothing new from them, it's a same design as helm forks used from the get go.

1
Jakub_G
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Location
SK
4/12/2025 12:00am

They dont hold asa back 

There's a chance he is so fast because he wants to finish before his cranks explode.

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Jakub_G
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Location
SK
4/12/2025 12:04am Edited Date/Time 4/12/2025 12:11am
Primoz wrote:

Reminds me of the coffee related named Marzocchi models from before they were bought out by Fox... 

Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance wise dlc/pvd would be most likely the best option and not too hard to get, colour options are in that region as well 17444414194893215229351337521937.jpg?VersionId=x8MX8nt6BpWDqNcWVLqaGE2p8eXZYB

2
B Rabbit
Posts
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Location
Sydney, NSW, AU
4/12/2025 2:04am Edited Date/Time 4/12/2025 2:05am
karlbrodie wrote:

The big question regarding all these new USD forks is, where are we putting the mudguard?  

Your chin is the mudguard now 🤷‍♂️

7
alex_o
Posts
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1/18/2025
Location
Lisboa, PT
4/12/2025 4:49am Edited Date/Time 4/12/2025 4:49am

Will it be the return of frame mount mud guards?

3
slimshady
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Location
AR
4/12/2025 5:07am
Primoz wrote:

Reminds me of the coffee related named Marzocchi models from before they were bought out by Fox... 

Jakub_G wrote:
Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance...

Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance wise dlc/pvd would be most likely the best option and not too hard to get, colour options are in that region as well 17444414194893215229351337521937.jpg?VersionId=x8MX8nt6BpWDqNcWVLqaGE2p8eXZYB

Actually, it was called espresso 🤓. I had a 350, good sliding but boy that thing went down as fast as butter on a hot toast.

5
Jakub_G
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Location
SK
4/12/2025 5:27am Edited Date/Time 4/12/2025 5:28am
Primoz wrote:

Reminds me of the coffee related named Marzocchi models from before they were bought out by Fox... 

Jakub_G wrote:
Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance...

Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance wise dlc/pvd would be most likely the best option and not too hard to get, colour options are in that region as well 17444414194893215229351337521937.jpg?VersionId=x8MX8nt6BpWDqNcWVLqaGE2p8eXZYB

slimshady wrote:

Actually, it was called espresso 🤓. I had a 350, good sliding but boy that thing went down as fast as butter on a hot toast.

Heh not it seems the Mocha one is the closest I think from the color palette I posted above. As long as it's not latte macchiato coloured it's fine by me 😁

2
TannerVal
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Location
Hampton, NH, USA
4/12/2025 5:27am
Primoz wrote:

Reminds me of the coffee related named Marzocchi models from before they were bought out by Fox... 

Jakub_G wrote:
Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance...

Nah cappuccino coating was more like bronze color and also very shiny. This looks almost like matt in appearance and shade is also very different. Performance wise dlc/pvd would be most likely the best option and not too hard to get, colour options are in that region as well 17444414194893215229351337521937.jpg?VersionId=x8MX8nt6BpWDqNcWVLqaGE2p8eXZYB

slimshady wrote:

Actually, it was called espresso 🤓. I had a 350, good sliding but boy that thing went down as fast as butter on a hot toast.

Yeah, cappuccino would be much lighter

2
Skepex
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4/12/2025
Location
Heidelberg, DE
4/12/2025 5:45am

Does anyone know something about a new Megatower?

1
monarchmason
Posts
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Nevada City, CA, USA
4/12/2025 6:35am
Skepex wrote:

Does anyone know something about a new Megatower?

Towers are not tall enough. Said to be a new 32”. Going to be called MegaSkyScraper. Remember me as I just leaked the companies biggest news. Theyre coming for me. 

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