MTB Tech Rumors and Innovation

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9/1/2024 8:28am

That Sunn bike is definitely high-pivot, the chain is too high. Looks like the uside-down horst-link Norco is utilizing on the Range. Smile

Also that brake adapter screams 220mm rotor to me! 😁

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Karabuka
Posts
432
Joined
12/1/2011
Location
SI
9/1/2024 10:58pm
nicompr wrote:
Seems like a new enduro bike from Sunn is coming 

Seems like a new enduro bike from Sunn is coming 

1000012497 0.png?VersionId=g

That honestly looks like an updated version of the last Radical before original Sunn went bust...

radical
12
Primoz
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4519
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8/1/2009
Location
SI
9/1/2024 11:40pm

The Kern had the same general layout around 2010.

3
9/2/2024 1:23am

"See You Monday" on Finn's (& Loic's?) tyres this weekend - do we believe Finn saying its just a way of saying they're out for the weekend, or is something being released today..?

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1
Ruby
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4
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2/24/2023
Location
Saskatoon, SK CA
9/2/2024 6:41am
Screen grab of the new TRPs on Gracey's bike.
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dolface
Posts
1657
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10/26/2015
Location
CA US
9/2/2024 6:53am
JerseyMojo wrote:
"See You Monday" on Finn's (& Loic's?) tyres this weekend - do we believe Finn saying its just a way of saying they're out for the...

"See You Monday" on Finn's (& Loic's?) tyres this weekend - do we believe Finn saying its just a way of saying they're out for the weekend, or is something being released today..?

I'd be surprised by that as it's a major holiday in the US (Labo(u)r Day) today.

3
9/2/2024 7:27am
JerseyMojo wrote:
"See You Monday" on Finn's (& Loic's?) tyres this weekend - do we believe Finn saying its just a way of saying they're out for the...

"See You Monday" on Finn's (& Loic's?) tyres this weekend - do we believe Finn saying its just a way of saying they're out for the weekend, or is something being released today..?

In a interview Finn’s mechanic Kevin said it’s just a saying like, “see you later”. I think it was lost in translation a bit, but he made it seem like it was nothing.

3
Konda
Posts
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Location
Kidderminster GB
9/2/2024 9:48am
Sram AXS mudguard/bottle cage charger, looks interesting.https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

Sram AXS mudguard/bottle cage charger, looks interesting.

https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

ghsda.png?VersionId=. SHdhZjZEbFvSlxTgdasdsadasd.png?VersionId=7JAtTPKUaA0EoL16ad

The "ass saver" style one puts the battery right in the water spray. What could go wrong?

Might as well just hard wire the derailleur in to some solar cells, by which time you might as well just connect the shifter with a cable, which can work in the dark and doesn't need ridiculous charging gimmicks 

19
MauiMax
Posts
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5/29/2024
Location
Lahaina, HI US
9/2/2024 11:13am
Ruby wrote:
Screen grab of the new TRPs on Gracey's bike.

New drh evo's? 

4
9/2/2024 1:54pm
Sram AXS mudguard/bottle cage charger, looks interesting.https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

Sram AXS mudguard/bottle cage charger, looks interesting.

https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

ghsda.png?VersionId=. SHdhZjZEbFvSlxTgdasdsadasd.png?VersionId=7JAtTPKUaA0EoL16ad
gibbon wrote:

Not appicable here in Wales.

Don’t think it’s applicable to most people.  Tend to bike in the woods.


Commuter bikes on the other hand.  I know axs and commuter don’t go together for most people but I’d imagine the market for that stuff is small regardless.

4
nato
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11/25/2022
Location
Christchurch NZ
9/2/2024 5:45pm

A solution to a problem, for a solution to a problem, no one ever had. Excellent.

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1
9/2/2024 5:46pm
Sram AXS mudguard/bottle cage charger, looks interesting.https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

Sram AXS mudguard/bottle cage charger, looks interesting.

https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

ghsda.png?VersionId=. SHdhZjZEbFvSlxTgdasdsadasd.png?VersionId=7JAtTPKUaA0EoL16ad
gibbon wrote:

Not appicable here in Wales.

Don’t think it’s applicable to most people.  Tend to bike in the woods.Commuter bikes on the other hand.  I know axs and commuter don’t go together...

Don’t think it’s applicable to most people.  Tend to bike in the woods.


Commuter bikes on the other hand.  I know axs and commuter don’t go together for most people but I’d imagine the market for that stuff is small regardless.

The majority of commuter bikes are ebikes now, and only more  sales will happen in the future. 

So SRAM need to bloody plug the derailleur etc into the big ass battery already so you've only got one thing to charge. 

3
Kango
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42
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1/4/2023
Location
Calgary, AB CA
9/2/2024 7:00pm Edited Date/Time 9/2/2024 7:01pm
Ruby wrote:
Screen grab of the new TRPs on Gracey's bike.

Look in the pitbits articles.

20240827 UCI DH WorldChamps Andorra SR38854.jpg?VersionId=U4IxoYNIBI.J3lJnWua74f5dRn2 g

 

20240827 UCI DH WorldChamps Andorra SR38859.jpg?VersionId=.ywDcw8zOWgmZEuj4v3zAgZ28AGo6
8
jsray
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5/20/2017
Location
Gilbert, AZ US
9/2/2024 7:03pm

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

9
isack
Posts
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7/15/2021
Location
Bozeman, MT US
9/2/2024 7:27pm
Ruby wrote:
Screen grab of the new TRPs on Gracey's bike.
Kango wrote:
Look in the pitbits articles. 

Look in the pitbits articles.

20240827 UCI DH WorldChamps Andorra SR38854.jpg?VersionId=U4IxoYNIBI.J3lJnWua74f5dRn2 g

 

20240827 UCI DH WorldChamps Andorra SR38859.jpg?VersionId=.ywDcw8zOWgmZEuj4v3zAgZ28AGo6

More interested in the YT brake mount being wider than standard. 6 piston or for stiffer brake mounts?

2
Onawalk
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Location
CA
9/2/2024 8:06pm
jsray wrote:

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

Appreciate your thoughtful, helpful, and insightful commentary.

23
9/2/2024 8:20pm
isack wrote:

More interested in the YT brake mount being wider than standard. 6 piston or for stiffer brake mounts?

Notice the standard pm adapter bolted to it. The big one is probably reversible to reposition the brake along with the chainstay length flip chip.

chriskief
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Location
New York, NY US
9/2/2024 8:36pm
isack wrote:

More interested in the YT brake mount being wider than standard. 6 piston or for stiffer brake mounts?

Notice the standard pm adapter bolted to it. The big one is probably reversible to reposition the brake along with the chainstay length flip chip.

Screenshot 2024-09-02 at 11.35.33%E2%80%AFPM
18
Jotegr
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Location
Interior, BC CA
9/2/2024 8:39pm
jsray wrote:

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

high efficiency ambient light photovoltaics are being developed with some level of reasonable promise. I suspect SRAM is jumping on the patent train nice and early on this one so once the solar tech is public they'll be set. 

5
seanfisseli
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Santa Cruz, CA US
9/2/2024 9:38pm
jsray wrote:

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

Jotegr wrote:
high efficiency ambient light photovoltaics are being developed with some level of reasonable promise. I suspect SRAM is jumping on the patent train nice and early...

high efficiency ambient light photovoltaics are being developed with some level of reasonable promise. I suspect SRAM is jumping on the patent train nice and early on this one so once the solar tech is public they'll be set. 

Also protects them from having some whack company put out a crappy version. Some patents are just to block idiots 

2
1
sethimus
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Location
CH
9/2/2024 11:26pm
jsray wrote:

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

should have stopped after much

1
23
9/3/2024 12:25am Edited Date/Time 9/3/2024 12:29am
Sram AXS mudguard/bottle cage charger, looks interesting.https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

Sram AXS mudguard/bottle cage charger, looks interesting.

https://patents.google.com/patent/US20240113551A1/en?oq=US20240113551A1

ghsda.png?VersionId=. SHdhZjZEbFvSlxTgdasdsadasd.png?VersionId=7JAtTPKUaA0EoL16ad

Finallly, a wireless water bottle cage. The industry is finally listening. 

35
9/3/2024 2:25am
jsray wrote:

I don’t know much about solar. But pretty sure it needs a lot of surface area and a lot of sunlight. 

sethimus wrote:

should have stopped after much

Funnily enough, I think you should have stopped way back there somewhere too!
But here we are...

Anyhoo, snark aside and back to jsray's post.
I can easily see a solar trickle feed being enough to run things like flight attendant or a wireless dropper.
Maybe not the derailleur.... I mean the whole point of AXS was to stop having cables running thru the frame, so a cable to the electric derailleur would be kinda an odd choice yeah?

7
9/3/2024 6:19am

I am kind of surprised that there haven’t been any devices that use regeneration to charge axs batteries. Can anyone calculate how many watts it would take to charge a battery that small? I feel like you could just run a copper coil in the jockey wheel or cassette and get all of that back on a descent or at least enough to only have to charge your batteries every month or more. 

7
2
bikelurker
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Bilbao, Vizcaya ES
9/3/2024 7:55am
I am kind of surprised that there haven’t been any devices that use regeneration to charge axs batteries. Can anyone calculate how many watts it would...

I am kind of surprised that there haven’t been any devices that use regeneration to charge axs batteries. Can anyone calculate how many watts it would take to charge a battery that small? I feel like you could just run a copper coil in the jockey wheel or cassette and get all of that back on a descent or at least enough to only have to charge your batteries every month or more. 

It will come, but not now, as they are still milking the cow of the marginal gains, and loosing watts is a bad look. A tiny dinamo makes sense in some aplications, but it probably makes more sense in shimano's "ecosistem"

2
9/3/2024 7:58am Edited Date/Time 9/3/2024 8:01am
I am kind of surprised that there haven’t been any devices that use regeneration to charge axs batteries. Can anyone calculate how many watts it would...

I am kind of surprised that there haven’t been any devices that use regeneration to charge axs batteries. Can anyone calculate how many watts it would take to charge a battery that small? I feel like you could just run a copper coil in the jockey wheel or cassette and get all of that back on a descent or at least enough to only have to charge your batteries every month or more. 

Not sure why you're getting downvoted... you can probably jury rig a dynamo/USB bank combo to charge your AXS batteries on the road, and I bet bikepackers are doing just that, but a SRAM native, plug and play, sleek and integrated, trail rider friendly option seems like a no brainer.... but it'd have wires, which is off brand. I think that and the limited market for range anxiety paranoid type folks is your biggest obstacle to go to market. Everyone else can just carry an extra battery. Jockey wheel charging is far fetched... you don't need a ton of watts but you need more copper/EM flux to actually generate electricity.

 

Or stick to cables.

4
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