Got Any DH Questions? Ask Them Here

PB Forum :: Downhill
Got Any DH Questions? Ask Them Here
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flag ThunderChunk
O+
Posted: Sep 18, 2014 at 19:15 Quote
Are maxxis tires smaller than other brands? I have my downhill bike sitting next to my norco range. The norco has kenda nevegals 2.5 front/2.3 rear. Downhill bike has 2.5 high roller and minion. The 2.5 nevegal is way bigger than the maxxis tires. Even the 2.3 is slightly beefier.
flag TheMastodon
Posted: Sep 18, 2014 at 19:18 Quote
ThunderChunk wrote:
Are maxxis tires smaller than other brands? I have my downhill bike sitting next to my norco range. The norco has kenda nevegals 2.5 front/2.3 rear. Downhill bike has 2.5 high roller and minion. The 2.5 nevegal is way bigger than the maxxis tires. Even the 2.3 is slightly beefier.


Yea maxxis have a slimmer profile compared to other brands, and it's the opposite for shwalbe.
flag rob-c
Posted: Sep 18, 2014 at 19:23 Quote
It's only true for certain models
flag knightridersix04
Posted: Sep 18, 2014 at 19:45 Quote
Maxxis measures width from side knob to side knob. Kenda and Schwalbe measure width from side of casing to side of casing. That's why they're different.
flag slidways
Posted: Sep 18, 2014 at 21:50 Quote
knightridersix04 wrote:
Maxxis measures width from side knob to side knob. Kenda and Schwalbe measure width from side of casing to side of casing. That's why they're different.

This

The way they measure is different.
flag alythcyclery
Posted: Sep 19, 2014 at 5:14 Quote
I'll need to have a full read through the service guide, but it looks like there's a few specific tools for servicing a Vivid Air.

Can a Vivid Air be user serviced?
flag ajax-ripper
Posted: Sep 19, 2014 at 8:15 Quote
mini-freerider wrote:
I'll need to have a full read through the service guide, but it looks like there's a few specific tools for servicing a Vivid Air.

Can a Vivid Air be user serviced?
If you have the tools abd the ability to complete the nitrogen charging yes
flag Nobble
Posted: Sep 19, 2014 at 8:32 Quote
ajax-ripper wrote:
mini-freerider wrote:
I'll need to have a full read through the service guide, but it looks like there's a few specific tools for servicing a Vivid Air.

Can a Vivid Air be user serviced?
If you have the tools abd the ability to complete the nitrogen charging yes
there is no nitrogen charge...

I don't know why people always think all suspension is nitrogen filled.
flag ajax-ripper
Posted: Sep 19, 2014 at 8:47 Quote
Nobble wrote:
ajax-ripper wrote:
mini-freerider wrote:
I'll need to have a full read through the service guide, but it looks like there's a few specific tools for servicing a Vivid Air.

Can a Vivid Air be user serviced?
If you have the tools abd the ability to complete the nitrogen charging yes
there is no nitrogen charge...

I don't know why people always think all suspension is nitrogen filled.
Correct me if i'm wrong but isn't the piggy back in the Vivair nitrogen filled? I know you "can" fill them with air but the pressure usually drops fairly quickly in comparison.
flag Arnoodles
Posted: Sep 19, 2014 at 8:51 Quote
ajax-ripper wrote:
Nobble wrote:
ajax-ripper wrote:

If you have the tools abd the ability to complete the nitrogen charging yes
there is no nitrogen charge...

I don't know why people always think all suspension is nitrogen filled.
Correct me if i'm wrong but isn't the piggy back in the Vivair nitrogen filled? I know you "can" fill them with air but the pressure usually drops fairly quickly in comparison.
Even if was meant to have nitrogen (I'm not really sure) there wouldn't be that big of a difference in the pressure changing. The o-rings do a pretty good job of keeping air (or nitrogen) in.
Edit: It does in fact use air, not nitrogen.
flag Nobble
Posted: Sep 19, 2014 at 8:57 Quote
ajax-ripper wrote:
Nobble wrote:
ajax-ripper wrote:

If you have the tools abd the ability to complete the nitrogen charging yes
there is no nitrogen charge...

I don't know why people always think all suspension is nitrogen filled.
Correct me if i'm wrong but isn't the piggy back in the Vivair nitrogen filled? I know you "can" fill them with air but the pressure usually drops fairly quickly in comparison.
I just did correct you.


There's a special valve adapter you need but it's not nitrogen charged.
flag ajax-ripper
Posted: Sep 19, 2014 at 8:59 Quote
Nobble wrote:
ajax-ripper wrote:
Nobble wrote:
there is no nitrogen charge...

I don't know why people always think all suspension is nitrogen filled.
Correct me if i'm wrong but isn't the piggy back in the Vivair nitrogen filled? I know you "can" fill them with air but the pressure usually drops fairly quickly in comparison.
I just did correct you.


There's a special valve adapter you need but it's not nitrogen charged.
Gotcha i know about the adapter, I've always filled them with n2 as that's what rs told me to do...
flag alythcyclery
Posted: Sep 19, 2014 at 9:05 Quote
Perfect. There's no propriety tools other than the valve adapter then?

I'll print out a guide and try and sort it out.

For some reason it suffers very occasional stickdown.

Usually when I'm just hitting some jumps, it never seems to happen when I'm hitting rougher stuff.

I'll replace the seals and see how it performs.
flag Nobble
Posted: Sep 19, 2014 at 9:05 Quote
ajax-ripper wrote:
Nobble wrote:
ajax-ripper wrote:

Correct me if i'm wrong but isn't the piggy back in the Vivair nitrogen filled? I know you "can" fill them with air but the pressure usually drops fairly quickly in comparison.
I just did correct you.


There's a special valve adapter you need but it's not nitrogen charged.
Gotcha i know about the adapter, I've always filled them with n2 as that's what rs told me to do...
no they dont.

go read the service manuals, they're both on google. "Use the pump to pressurize the IFP reservoir to 200psi"
flag Nobble
Posted: Sep 19, 2014 at 9:06 Quote
mini-freerider wrote:
Perfect. There's no propriety tools other than the valve adapter then?

I'll print out a guide and try and sort it out.

For some reason it suffers very occasional stickdown.

Usually when I'm just hitting some jumps, it never seems to happen when I'm hitting rougher stuff.

I'll replace the seals and see how it performs.
and the tool for preloading the countermeasure spring. that's a new one.

 


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