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Whoops I forgot you're already planning on swapping your gearset. By all means dig in your gearbox then, problem could be anything. But I would still recommend purchasing a good spring later on down the road; for now, if it ain't broke, don't fix it. :D
 

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Discussion Starter · #23 ·
Whoops I forgot you're already planning on swapping your gearset. By all means dig in your gearbox then, problem could be anything. But I would still recommend purchasing a good spring later on down the road; for now, if it ain't broke, don't fix it. :D
It’s ok I still need all the feedback i Can get so all this is helpful especially with brands what to stay away from Im still learning
 

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If the oring is not visually damaged (torn, etc) you can test compression by pulling the piston + cylinder & cylinder head out of the gearbox, putting your finger over the tip of the cylinder head, and trying to ~abruptly push the piston into the cylinder. If seals are all good, you should not be able to push the piston all the way in - if bad, air will leak past the seals and the piston can be pushed all the way in. How easy the piston can be pushed in indicates how bad the seals are. Note that this tests the piston and cylinder head seals - inspect both if there's a leak.
 

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Discussion Starter · #25 ·
If the oring is not visually damaged (torn, etc) you can test compression by pulling the piston + cylinder & cylinder head out of the gearbox, putting your finger over the tip of the cylinder head, and trying to ~abruptly push the piston into the cylinder. If seals are all good, you should not be able to push the piston all the way in - if bad, air will leak past the seals and the piston can be pushed all the way in. How easy the piston can be pushed in indicates how bad the seals are. Note that this tests the piston and cylinder head seals - inspect both if there's a leak.
Ok I’ll check it did smell a little off like something was burnt or something you guys are right I need to open it up
 

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Discussion Starter · #26 ·
Ok I’ll check it did smell a little off like something was burnt or something you guys are right I need to open it up
Now if I do find a something damaged like the piston, piston head what brand should I go with? I don’t want to keep buying brands that aren’t good like I stated I am going to be changing gears set so I’ll take that into consideration
 

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Lonex blue or red for the piston (blue recommended for regular builds, red is better for high power springs). Lonex POM piston head is generally accepted as the best.
 

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Discussion Starter · #28 ·
Lonex blue or red for the piston (blue recommended for regular builds, red is better for high power springs). Lonex POM piston head is generally accepted as the best.
Thank you and would it be recommended to get a Swiss cheesed piston?
I’m just asking all these questions so I know what to get when the time comes
 

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Not needed...
 

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Yep, that's the Lonex Red. There's a Blue version as well, same design but it's made of different material. I've run both in DSG setups with an SP140 spring (~m175 w/ a half stroke), neither has had issues. Polymer pickup tooth is preferable IMO as it's easier on your gears + any wear will just improve AOE
 

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Discussion Starter · #32 ·
Yep, that's the Lonex Red. There's a Blue version as well, same design but it's made of different material. I've run both in DSG setups with an SP140 spring (~m175 w/ a half stroke), neither has had issues. Polymer pickup tooth is preferable IMO as it's easier on your gears + any wear will just improve AOE
Now I do notice that has less teeth and here’s a noob question that will be compatible with 13:1 gears correct?
 

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It depends.

Your 12:1 should be a set. How that set matches up to another set depends.
 

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You mean this:
Gear Automotive tire Bicycle part Rim Font


Working with this:
Rectangle Cylinder Office supplies Magenta Tints and shades

Yes it will.

as well as the 12:1 set.

White Gear Bicycle part Rim Bicycle drivetrain part
 

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There is no need to change the stock Cylinder. What would you change your stock bearings too? Bushing? Sure...but it depends.
 
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