Is Barcia racing on the air shock?

smv ryder
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smv ryder
Edited Date/Time 2/18/2021 8:11pm
I have seen a photo of the air shock on his bike but for the life of me I couldn’t get a good shot of him to see if he is racing on it? Anyone know?
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Bruce372
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Bruce372 1/16/2021 4:00pm
1/16/2021 4:00pm
Was wondering the same. 16 and 2 supposed to be running it also, so that new air shock could have just won two races
Leeham
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Leeham 1/16/2021 5:26pm
1/16/2021 5:26pm
What could the advantages be of an air shock?
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Bruce372
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Bruce372 1/16/2021 5:58pm
1/16/2021 5:58pm
Leeham wrote:
What could the advantages be of an air shock?
Weight, progressive spring rate
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Brent
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Brent 1/16/2021 6:01pm
1/16/2021 6:01pm
apparently Cooper Webb switched back to the traditional spring shock today before the race.
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dirtwalker 1/16/2021 8:26pm
1/16/2021 8:26pm
Even if its great, it takes time to match it to the linkage and then adjust to the different feel - strengths and weaknesses.
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mxrose3
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mxrose3 1/16/2021 8:51pm
1/16/2021 8:51pm
i'm curious about these air shocks. Is there an oil chamber in there somewhere, or how is the rebound and compression damping controlled?
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Larry450
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Larry450 1/17/2021 1:37am
1/17/2021 1:37am
Does anybody have better pictures of the shock? Maybe some info? Anything?
dirtwalker 1/17/2021 3:09am
1/17/2021 3:09am Edited Date/Time 1/17/2021 3:10am
mxrose3 wrote:
i'm curious about these air shocks. Is there an oil chamber in there somewhere, or how is the rebound and compression damping controlled?
It will be just like MTB shocks. Its just the spring that is air. They have all the other options for damping.

The hard bit with MX is heat management - due to increased mass, energy and work.
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yz133rider
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yz133rider 1/17/2021 4:07am
1/17/2021 4:07am
mxrose3 wrote:
i'm curious about these air shocks. Is there an oil chamber in there somewhere, or how is the rebound and compression damping controlled?
dirtwalker wrote:
It will be just like MTB shocks. Its just the spring that is air. They have all the other options for damping. The hard bit with...
It will be just like MTB shocks. Its just the spring that is air. They have all the other options for damping.

The hard bit with MX is heat management - due to increased mass, energy and work.
You would think they would fin the shock body like an air cooled cylinder.
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Leeham
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Leeham 1/17/2021 4:46am
1/17/2021 4:46am Edited Date/Time 1/17/2021 4:47am
At that point it would be adding weight back on that was removed. Im sure the shock isnt filled with regular air but with nitrogen or another stable gas. Regular air would heat up and the shock would get incredibly stiff but im sure there is a system to regulate pressure.
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Johnny Ringo 1/17/2021 6:30am
1/17/2021 6:30am
I would hope after 8 more years of development they could get it working
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BobPA
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BobPA 1/17/2021 6:39am
1/17/2021 6:39am
Johnny Ringo wrote:
I would hope after 8 more years of development they could get it working
Yamaha has been trying for 11 years to get the backward engine to work on the 450...
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Johnny Ringo 1/17/2021 7:38am
1/17/2021 7:38am
Johnny Ringo wrote:
I would hope after 8 more years of development they could get it working
BobPA wrote:
Yamaha has been trying for 11 years to get the backward engine to work on the 450...
Backwards engine has more wins since 2012 than the air shock
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BobPA
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BobPA 1/17/2021 7:41am
1/17/2021 7:41am
Johnny Ringo wrote:
I would hope after 8 more years of development they could get it working
BobPA wrote:
Yamaha has been trying for 11 years to get the backward engine to work on the 450...
Johnny Ringo wrote:
Backwards engine has more wins since 2012 than the air shock
You're only as good as your last race.
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Johnny Ringo
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Johnny Ringo 1/17/2021 7:50am
1/17/2021 7:50am
BobPA wrote:
Yamaha has been trying for 11 years to get the backward engine to work on the 450...
Johnny Ringo wrote:
Backwards engine has more wins since 2012 than the air shock
BobPA wrote:
You're only as good as your last race.
You’re right, backwards engine won 250s, and had 3 in the top 10 in 450s last night, beating multiple air shocks
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BobPA
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BobPA 1/17/2021 12:26pm
1/17/2021 12:26pm
Johnny Ringo wrote:
Backwards engine has more wins since 2012 than the air shock
BobPA wrote:
You're only as good as your last race.
Johnny Ringo wrote:
You’re right, backwards engine won 250s, and had 3 in the top 10 in 450s last night, beating multiple air shocks
By that math, 7 of the top ten had their engines in the correct way. Try again chief.
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lostboy819 1/17/2021 12:40pm
1/17/2021 12:40pm
resetjet wrote:
First air shock sx win???
Back in the 70s most all the riders on twin shock bikes even team Honda were using Fox air shox so they might have snuck out a win here and there when Hannah didn't win. But may be the first modern air shock to win
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ZOBITO
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ZOBITO 1/17/2021 12:51pm
1/17/2021 12:51pm
Tripes and Ellis for sure, probably Smith, Howerton and a few others won SX mains with Fox air shox back in the day...
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GuyB 1/17/2021 2:34pm
1/17/2021 2:34pm Edited Date/Time 1/17/2021 2:37pm
Justin said it’s more consistent, and doesn’t fade.

He also said his bike is close to 20 pounds lighter, but that it feels like 50. 😏
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UpTiTe
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UpTiTe 1/17/2021 2:46pm
1/17/2021 2:46pm
Leeham wrote:
What could the advantages be of an air shock?
Weight and you can run it stiffer without the harsh feeling at the bottom of the stroke.
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soggy 1/17/2021 2:49pm
1/17/2021 2:49pm
resetjet wrote:
First air shock sx win???
Pretty sure dunge has a win or two on one
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nickm
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nickm 1/17/2021 3:20pm
1/17/2021 3:20pm Edited Date/Time 1/17/2021 3:23pm
The air spring replaces the metal spring, damping is same idea as metal spring.

Air springs are common in high end cars and heavy commercial vehicles, benefits are almost instant adjustment of ride height and spring rate and of course you don't have a metal coil back there with all its weight. Most automotive/ heavy vehicle air springs automatically adjust ride height. Don't think of the crap ass air "springs" people install on back of pickups to prop up the back when towing a heavy trailer, those are very simple systems compared to a proper air spring system

I wouldn't compare it to anything in the bicycle world, exponentially more loading happening on an SX bike than there would ever be on a bicycle.

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Flatliner
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Flatliner 1/17/2021 3:42pm
1/17/2021 3:42pm
resetjet wrote:
First air shock sx win???
soggy wrote:
Pretty sure dunge has a win or two on one
I don’t think so. It failed on the line and I think they shelved it.
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soggy 1/17/2021 3:46pm
1/17/2021 3:46pm
resetjet wrote:
First air shock sx win???
soggy wrote:
Pretty sure dunge has a win or two on one
Flatliner wrote:
I don’t think so. It failed on the line and I think they shelved it.
I thought he won the previous week though? I dunno doesn’t matter.
powertrip456 1/17/2021 3:55pm
1/17/2021 3:55pm
BobPA wrote:
You're only as good as your last race.
Johnny Ringo wrote:
You’re right, backwards engine won 250s, and had 3 in the top 10 in 450s last night, beating multiple air shocks
BobPA wrote:
By that math, 7 of the top ten had their engines in the correct way. Try again chief.
“Correct” way? Also, the last thing the world needs is for this to turn into yet another bash-on-Yamaha event.
Bruce372
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Bruce372 1/17/2021 4:16pm
1/17/2021 4:16pm
If they could use the progressive spring rate to get rid of the linkage and come up with a air PDS they could loose significant weight
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