MTB Tech Rumors and Innovation

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TimBud
Posts
530
Joined
2/29/2012
Location
GB
10/8/2024 7:46am
Lacanuck24 wrote:
Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix! 

Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix!

 

image 62
krabo83 wrote:
it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so...

it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so that shimano doesn‘t crap their pants.

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

5
krabo83
Posts
714
Joined
12/26/2017
Location
AT
10/8/2024 8:02am
TimBud wrote:
There's actually a proper Shimano one (See MSA Pit Bits):I guess there's not enough of them so they just slapped a sticker on the production Praxis...

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

i guess the promo pics for the bike release are at least months older then MSA, so those saint cranks might be pretty new.

1
Jotegr
Posts
339
Joined
6/28/2024
Location
Interior, BC CA
10/8/2024 8:36am Edited Date/Time 10/8/2024 8:37am
Nico_Hrndz wrote:

A new Rocky seems to be on the way, should be realeased in 1-2 weeks (info from local retailer's instagram). I guess a new powerplay (?)

fartsack wrote:

rocky instinct with motor, lite e-bike. still with rocky motor.

I would say another brand releasing an SL version of their preexisting trail bike is inherently not interesting except I am interested to see what the SL system is going to look like coming out of Quebec. 

1
mtbboy1993
Posts
21
Joined
4/19/2015
Location
Askim NO
10/8/2024 10:01am Edited Date/Time 10/8/2024 10:12am
Lacanuck24 wrote:
Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix! 

Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix!

 

image 62
krabo83 wrote:
it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so...

it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so that shimano doesn‘t crap their pants.

TimBud wrote:
There's actually a proper Shimano one (See MSA Pit Bits):I guess there's not enough of them so they just slapped a sticker on the production Praxis...

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint crank came. I forgot which bike, but probably saw it in this thread.

At first I didn't find it at first. But found it here: The crank seems to be Race Face Atlas but with a sticker, you can see it's a sticker if you pixel peep.

https://www.pinkbike.com/news/chris-cocalis-chats-about-pivots-prototype-dh-bike.html

p5pb24935458
5
1
10/8/2024 1:46pm
krabo83 wrote:
it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so...

it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so that shimano doesn‘t crap their pants.

TimBud wrote:
There's actually a proper Shimano one (See MSA Pit Bits):I guess there's not enough of them so they just slapped a sticker on the production Praxis...

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

mtbboy1993 wrote:
I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint...

I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint crank came. I forgot which bike, but probably saw it in this thread.

At first I didn't find it at first. But found it here: The crank seems to be Race Face Atlas but with a sticker, you can see it's a sticker if you pixel peep.

https://www.pinkbike.com/news/chris-cocalis-chats-about-pivots-prototype-dh-bike.html

p5pb24935458

I recall Shimano was not stoked on this and had a crankset made soon after for the end of last season. Seems they didn't have them available for the photoshoot back in July as they were still racing on the proto bikes up until last weekend. 

1
David9180
Posts
24
Joined
1/7/2014
Location
Lisbon PT
10/8/2024 3:42pm
krabo83 wrote:
it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so...

it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so that shimano doesn‘t crap their pants.

TimBud wrote:
There's actually a proper Shimano one (See MSA Pit Bits):I guess there's not enough of them so they just slapped a sticker on the production Praxis...

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

mtbboy1993 wrote:
I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint...

I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint crank came. I forgot which bike, but probably saw it in this thread.

At first I didn't find it at first. But found it here: The crank seems to be Race Face Atlas but with a sticker, you can see it's a sticker if you pixel peep.

https://www.pinkbike.com/news/chris-cocalis-chats-about-pivots-prototype-dh-bike.html

p5pb24935458

Greenland was running hope cranks!

IMG 4938 0
9
monarchmason
Posts
284
Joined
5/24/2022
Location
Nevada City, CA US
10/8/2024 3:57pm

Here we are thinking that Shimano is releasing the new Saint cranks soon. But what they are actually going to sell us is a “Saint” sticker to slap on a crank of our choice for $300. Modern Problems. Modern Solutions. 

29
dolface
Posts
1657
Joined
10/26/2015
Location
CA US
10/8/2024 6:28pm
TimBud wrote:
There's actually a proper Shimano one (See MSA Pit Bits):I guess there's not enough of them so they just slapped a sticker on the production Praxis...

There's actually a proper Shimano one (See MSA Pit Bits):

I guess there's not enough of them so they just slapped a sticker on the production Praxis cranks.

mtbboy1993 wrote:
I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint...

I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint crank came. I forgot which bike, but probably saw it in this thread.

At first I didn't find it at first. But found it here: The crank seems to be Race Face Atlas but with a sticker, you can see it's a sticker if you pixel peep.

https://www.pinkbike.com/news/chris-cocalis-chats-about-pivots-prototype-dh-bike.html

p5pb24935458
David9180 wrote:
Greenland was running hope cranks!

Greenland was running hope cranks!

IMG 4938 0

IIRC that was because he wanted 155mm (or maybe 150s?) and Shimano didn't have anything that short...

7
10/8/2024 7:34pm
mtbboy1993 wrote:
I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint...

I remember seeing Race Face Atlas cranks with Saint sticker. I guess they used what ever they had their hands on until the actual new Saint crank came. I forgot which bike, but probably saw it in this thread.

At first I didn't find it at first. But found it here: The crank seems to be Race Face Atlas but with a sticker, you can see it's a sticker if you pixel peep.

https://www.pinkbike.com/news/chris-cocalis-chats-about-pivots-prototype-dh-bike.html

p5pb24935458
David9180 wrote:
Greenland was running hope cranks!

Greenland was running hope cranks!

IMG 4938 0
dolface wrote:

IIRC that was because he wanted 155mm (or maybe 150s?) and Shimano didn't have anything that short...

As a short crank guy who likes affordable shimano cranks i hope the new saint has some shorter options.

8
bikelurker
Posts
172
Joined
3/23/2023
Location
Bilbao, Vizcaya ES
10/8/2024 8:24pm
David9180 wrote:
Greenland was running hope cranks!

Greenland was running hope cranks!

IMG 4938 0
dolface wrote:

IIRC that was because he wanted 155mm (or maybe 150s?) and Shimano didn't have anything that short...

As a short crank guy who likes affordable shimano cranks i hope the new saint has some shorter options.

I hope they get short down to at least Deore level. There is a need for good quality, afordable, short cranks. Sram has listed his SX chainset in 155mm but Im yet to find it for sale anywhere

5
10/8/2024 8:57pm
Lacanuck24 wrote:
Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix! 

Sweet "Saint" crank on the team bikes. Easy upgrade for those who want the full factory spec on their new Phoenix!

 

image 62
krabo83 wrote:
it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so...

it has been mentioned that those with the saint sticker are the team bikes of the factory riders, that‘s why they have the sticker on so that shimano doesn‘t crap their pants.

Yes, well-known decal work out there. Just jokes buddy! 

I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh bikes. It looks like none of the biggest players are really going that route and it's more of a boutique thing. Quite an investment to do at the scale that Shimano, SRAM, TRP work at.

I wouldn't hold my breath waiting for Shimano to produce a Saint crank for the new Phoenix though. They'd sell hundreds at best? Not really worth the investment. Prove me wrong Shimano! 

1
JVP
Posts
207
Joined
4/20/2016
Location
Seattle, WA US
10/8/2024 9:03pm Edited Date/Time 10/8/2024 9:03pm
Lacanuck24 wrote:
Yes, well-known decal work out there. Just jokes buddy! I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh...

Yes, well-known decal work out there. Just jokes buddy! 

I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh bikes. It looks like none of the biggest players are really going that route and it's more of a boutique thing. Quite an investment to do at the scale that Shimano, SRAM, TRP work at.

I wouldn't hold my breath waiting for Shimano to produce a Saint crank for the new Phoenix though. They'd sell hundreds at best? Not really worth the investment. Prove me wrong Shimano! 

I predict the crank market will eventually land on 150 - 165 as the accepted range. I say this as a 6'2" guy (with shitty hips) happily running 165 trailduro cranks and 160's on DH and eeb. Even the roadies are heading this direction.

Skeptical? Go try and sell some used cranks in the longer lengths. Not much interest out there. 

11
Eae903
Posts
348
Joined
10/20/2023
Location
Laramie, WY US
10/8/2024 9:17pm
Lacanuck24 wrote:
Yes, well-known decal work out there. Just jokes buddy! I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh...

Yes, well-known decal work out there. Just jokes buddy! 

I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh bikes. It looks like none of the biggest players are really going that route and it's more of a boutique thing. Quite an investment to do at the scale that Shimano, SRAM, TRP work at.

I wouldn't hold my breath waiting for Shimano to produce a Saint crank for the new Phoenix though. They'd sell hundreds at best? Not really worth the investment. Prove me wrong Shimano! 

JVP wrote:
I predict the crank market will eventually land on 150 - 165 as the accepted range. I say this as a 6'2" guy (with shitty hips)...

I predict the crank market will eventually land on 150 - 165 as the accepted range. I say this as a 6'2" guy (with shitty hips) happily running 165 trailduro cranks and 160's on DH and eeb. Even the roadies are heading this direction.

Skeptical? Go try and sell some used cranks in the longer lengths. Not much interest out there. 

I still like the feel of my 175s on my road and gravel bikes over something shorter, I might do 172.5s since it's not much different and it would reduce my hip impingement, but I can't imagine doing anything shorter than that for road and gravel/cyclocross. 170mm on mtb is great for me, enough pedal clearance to reduce strikes and enough leverage to make me feel like I'm actually using the power I put out, but I'm willing to try 165s. (6'1, 78cm bb to saddle height) 

3
Primoz
Posts
4519
Joined
8/1/2009
Location
SI
10/8/2024 9:38pm

Maybe you could call yourself the winner of Giro d'Italia, Tour de France, the world championsips and a bunch more races if you ran shorter cranks Tongue

(Pogačar runs 165 mm cranks.)

10
1
Marcus J
Posts
50
Joined
7/14/2017
Location
SE
10/8/2024 11:09pm

Built up my V10 for this season with 155 Hope cranks to try them out and man i love them! Even thinking about putting some on my enduro bike (I am 6', but ride smaller bikes as well) 

Short cranks, high bars, mullet bike and shorter reach feels like I can just slam into every corner on any track and steer more with my feet. (sorry not tech rumors, but this thread, and Laurie and Jacksons cranks made me do it!)

6
10/8/2024 11:23pm

I’ve been super interested to see the reach and stack on Bruni’s proto demo. I don’t know if it’s his unique style but to me it always looked shorter and perhaps maybe a bit taller than the rest of the similarly sized field. 
 

6
gbcoke
Posts
102
Joined
1/6/2016
Location
US
10/8/2024 11:30pm
I’ve been super interested to see the reach and stack on Bruni’s proto demo. I don’t know if it’s his unique style but to me it...

I’ve been super interested to see the reach and stack on Bruni’s proto demo. I don’t know if it’s his unique style but to me it always looked shorter and perhaps maybe a bit taller than the rest of the similarly sized field. 
 

Was asking myself the same question, it does look like a smaller bike than other riders his size are using.

On another interesting thing regarding these bikes (at least to me Smile ), they are running this proto 2+ years with the shock covered.

Isn't it enough time to get the bike right and maybe push the shock tech on there for sale ? seems kind of pointless just using them as proto bikes for so long.

2
zscs
Posts
11
Joined
3/21/2024
Location
Budapest HU
10/8/2024 11:57pm

Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike article: https://www.pinkbike.com/news/xco-photo-epic-mont-sainte-anne-xc-world-cup-2024.html

Fox rad Dario Lillo

...after some research, turned out, BrujulaBike guys also noticed it and posted some more close-up photos - the crown is very likely also new:

Fox rad Dario Lillo2.jpg?VersionId=A89p3iqa20kdzXDyKMPLzw

Source: https://en.brujulabike.com/new-fox-fork-spotted-xco-world-cup-lake-placid-2024/

I tried to find some more close-up pics for spotting e.g. a Serial Number (which, in case of Fox could tell us hell a lot of more infoSmile ) but haven't found anything yet. (Sorry, if this has been already posted, tried to double-check but I haven't found any info which were posted earlier here)

21
10/9/2024 2:51am
I’ve been super interested to see the reach and stack on Bruni’s proto demo. I don’t know if it’s his unique style but to me it...

I’ve been super interested to see the reach and stack on Bruni’s proto demo. I don’t know if it’s his unique style but to me it always looked shorter and perhaps maybe a bit taller than the rest of the similarly sized field. 
 

gbcoke wrote:
Was asking myself the same question, it does look like a smaller bike than other riders his size are using.On another interesting thing regarding these bikes...

Was asking myself the same question, it does look like a smaller bike than other riders his size are using.

On another interesting thing regarding these bikes (at least to me Smile ), they are running this proto 2+ years with the shock covered.

Isn't it enough time to get the bike right and maybe push the shock tech on there for sale ? seems kind of pointless just using them as proto bikes for so long.

I would not be surprised if it never made public release - yes its supposed to, but what if its perpetually in prototype phase with their excuse being we're still developing it and its not ready yet?

4
motomike
Posts
93
Joined
10/12/2009
Location
Linville, NC US
10/9/2024 5:41am
zscs wrote:
Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike...

Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike article: https://www.pinkbike.com/news/xco-photo-epic-mont-sainte-anne-xc-world-cup-2024.html

Fox rad Dario Lillo

...after some research, turned out, BrujulaBike guys also noticed it and posted some more close-up photos - the crown is very likely also new:

Fox rad Dario Lillo2.jpg?VersionId=A89p3iqa20kdzXDyKMPLzw

Source: https://en.brujulabike.com/new-fox-fork-spotted-xco-world-cup-lake-placid-2024/

I tried to find some more close-up pics for spotting e.g. a Serial Number (which, in case of Fox could tell us hell a lot of more infoSmile ) but haven't found anything yet. (Sorry, if this has been already posted, tried to double-check but I haven't found any info which were posted earlier here)

It is actually a 36.  A much lighter 36. 

1
jonkranked
Posts
1175
Joined
5/5/2016
Location
Norristown, PA US
10/9/2024 6:00am
Here we are thinking that Shimano is releasing the new Saint cranks soon. But what they are actually going to sell us is a “Saint” sticker...

Here we are thinking that Shimano is releasing the new Saint cranks soon. But what they are actually going to sell us is a “Saint” sticker to slap on a crank of our choice for $300. Modern Problems. Modern Solutions. 

i will put my Saint stickers on a crab.

9
2
10/9/2024 6:16am
Lacanuck24 wrote:
Yes, well-known decal work out there. Just jokes buddy! I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh...

Yes, well-known decal work out there. Just jokes buddy! 

I'm curious as to what the actual global demand is for sub-165mm cranks outside of E-bikes and dh bikes. It looks like none of the biggest players are really going that route and it's more of a boutique thing. Quite an investment to do at the scale that Shimano, SRAM, TRP work at.

I wouldn't hold my breath waiting for Shimano to produce a Saint crank for the new Phoenix though. They'd sell hundreds at best? Not really worth the investment. Prove me wrong Shimano! 

JVP wrote:
I predict the crank market will eventually land on 150 - 165 as the accepted range. I say this as a 6'2" guy (with shitty hips)...

I predict the crank market will eventually land on 150 - 165 as the accepted range. I say this as a 6'2" guy (with shitty hips) happily running 165 trailduro cranks and 160's on DH and eeb. Even the roadies are heading this direction.

Skeptical? Go try and sell some used cranks in the longer lengths. Not much interest out there. 

Eae903 wrote:
I still like the feel of my 175s on my road and gravel bikes over something shorter, I might do 172.5s since it's not much different...

I still like the feel of my 175s on my road and gravel bikes over something shorter, I might do 172.5s since it's not much different and it would reduce my hip impingement, but I can't imagine doing anything shorter than that for road and gravel/cyclocross. 170mm on mtb is great for me, enough pedal clearance to reduce strikes and enough leverage to make me feel like I'm actually using the power I put out, but I'm willing to try 165s. (6'1, 78cm bb to saddle height) 

I tried 165 but they were too spinny for me and I didn't like how high and tippy seated pedaling felt. Ended up on 170 and found that to be the Goldilocks length for me. Cadence feels natural, seat height feels dialed, and ground clearance is good. 

7
Primoz
Posts
4519
Joined
8/1/2009
Location
SI
10/9/2024 6:18am
zscs wrote:
Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike...

Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike article: https://www.pinkbike.com/news/xco-photo-epic-mont-sainte-anne-xc-world-cup-2024.html

Fox rad Dario Lillo

...after some research, turned out, BrujulaBike guys also noticed it and posted some more close-up photos - the crown is very likely also new:

Fox rad Dario Lillo2.jpg?VersionId=A89p3iqa20kdzXDyKMPLzw

Source: https://en.brujulabike.com/new-fox-fork-spotted-xco-world-cup-lake-placid-2024/

I tried to find some more close-up pics for spotting e.g. a Serial Number (which, in case of Fox could tell us hell a lot of more infoSmile ) but haven't found anything yet. (Sorry, if this has been already posted, tried to double-check but I haven't found any info which were posted earlier here)

motomike wrote:

It is actually a 36.  A much lighter 36. 

"36 SL" a-la SID being a 'lightweight' Pike (vs. a 32 mm SID)?

3
bikelurker
Posts
172
Joined
3/23/2023
Location
Bilbao, Vizcaya ES
10/9/2024 6:28am
zscs wrote:
Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike...

Accidentally I've noticed a photo in this article where Dario Lillo is appararently racing on a prototype Fox 34 (?) fork with completely new lowers. Pinkbike article: https://www.pinkbike.com/news/xco-photo-epic-mont-sainte-anne-xc-world-cup-2024.html

Fox rad Dario Lillo

...after some research, turned out, BrujulaBike guys also noticed it and posted some more close-up photos - the crown is very likely also new:

Fox rad Dario Lillo2.jpg?VersionId=A89p3iqa20kdzXDyKMPLzw

Source: https://en.brujulabike.com/new-fox-fork-spotted-xco-world-cup-lake-placid-2024/

I tried to find some more close-up pics for spotting e.g. a Serial Number (which, in case of Fox could tell us hell a lot of more infoSmile ) but haven't found anything yet. (Sorry, if this has been already posted, tried to double-check but I haven't found any info which were posted earlier here)

motomike wrote:

It is actually a 36.  A much lighter 36. 

Doesnt even look like there is any of that stepcast nonsense anymore right?

1
10/9/2024 6:46am

35-36mm forks are probably a pretty sweet spot for "downcountry". I got a 35mm sid and would not want to go back to something more noodly.

1
2
AgrAde
Posts
196
Joined
5/21/2015
Location
AL US
10/9/2024 7:06am Edited Date/Time 10/9/2024 7:09am

There's nothing wrong with 34mm, stanchion diameter isn't everything when building a stiff fork. 

Feels like we're in a bit of an arms race to use bigger and bigger stanchions. I'm guilty of it... Went from a 36 to a 38 when my favourite fork chassis is a 35mm lyrik... And my gravel/xc bike has a 35mm pike lol.

Look at the Mattoc down there at 34mm that is as stiff as a 36 and plenty burly enough for more than just down country.

9
monarchmason
Posts
284
Joined
5/24/2022
Location
Nevada City, CA US
10/9/2024 7:19am
AgrAde wrote:
There's nothing wrong with 34mm, stanchion diameter isn't everything when building a stiff fork. Feels like we're in a bit of an arms race to use bigger...

There's nothing wrong with 34mm, stanchion diameter isn't everything when building a stiff fork. 

Feels like we're in a bit of an arms race to use bigger and bigger stanchions. I'm guilty of it... Went from a 36 to a 38 when my favourite fork chassis is a 35mm lyrik... And my gravel/xc bike has a 35mm pike lol.

Look at the Mattoc down there at 34mm that is as stiff as a 36 and plenty burly enough for more than just down country.

You know Ive always been curious about this. Unsure how it could be tested in a controlled way, but Ive always wondered how much stiffer are forks by increasing stanchion size? Or is it placebo? Going for a well built 34mm to a 35mm to a 36. Should the focus be on the stanchion size or the actual construction of the lowers to make the most difference?

1
AgrAde
Posts
196
Joined
5/21/2015
Location
AL US
10/9/2024 7:32am Edited Date/Time 10/9/2024 7:34am

The bending stiffness of a tube increases to the fourth power with respect to diameter... Ie bigger tubes are way fucking stiffer than smaller tubes.

But steerers are flexy, crowns are flexy, and axle interfaces are flexy. If you put some effort into locking the two tubes together then they work together and will flex together, and this also massively increases stiffness. The keyed axle of the Mattoc or a 20mm axle with four pinchbolts like the old 36, the bulky crown like a lyrik, all help to make the most of their tube stiffness. The flexy modern 36 with its slim crown and arch and shitty little axle make for a comparative noodle.

 

It would be cool to see tests. Both for bending stiffness and torsional stiffness. Torsional stiffness affects the feel the most in my opinion, and that's where you get the most advantage from the crown/axle/arch rather than the stanchions.

13
AJW1
Posts
72
Joined
5/11/2023
Location
Bracknell GB
10/9/2024 7:42am

Been talked about before but now almost available to buy

https://road.cc/content/tech-news/wheels-self-inflating-deflating-tyre-system-available-pre-order-3200-310669

From the world of gravel…

Can add 14psi in a km (deflation much quicker) into a gravel tyre, would be slower for an xc tyre. 

At that rate, probably only plausible for xc marathon/stage racing which can have sustained road or fire road sections interspersed with difficult-for-an-xc-bike singletrack. 

5
monarchmason
Posts
284
Joined
5/24/2022
Location
Nevada City, CA US
10/9/2024 7:43am
AgrAde wrote:
The bending stiffness of a tube increases to the fourth power with respect to diameter... Ie bigger tubes are way fucking stiffer than smaller tubes.But steerers...

The bending stiffness of a tube increases to the fourth power with respect to diameter... Ie bigger tubes are way fucking stiffer than smaller tubes.

But steerers are flexy, crowns are flexy, and axle interfaces are flexy. If you put some effort into locking the two tubes together then they work together and will flex together, and this also massively increases stiffness. The keyed axle of the Mattoc or a 20mm axle with four pinchbolts like the old 36, the bulky crown like a lyrik, all help to make the most of their tube stiffness. The flexy modern 36 with its slim crown and arch and shitty little axle make for a comparative noodle.

 

It would be cool to see tests. Both for bending stiffness and torsional stiffness. Torsional stiffness affects the feel the most in my opinion, and that's where you get the most advantage from the crown/axle/arch rather than the stanchions.

I read all of that and came to conclusion that the Lefty SuperMax is the superior fork. 

That was sarcasm…. Sort of…

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