Upgrade C4S to AER's - Possible?

[Sam Evans]

Hello,

I have a 2017 MX. Liquid performance is selling AER forks for $900. I'm wondering if these will swap over without any problems?

- Triple clamps?
- Wheel spacers?
- Caliper mount?

Thank you!

Sam

 

[Rashid510]

Hello,

I have a 2017 MX. Liquid performance is selling AER forks for $900. I'm wondering if these will swap over without any problems?

- Triple clamps?
- Wheel spacers?
- Caliper mount?

Thank you!

Sam

The only thing you need if your going to go from 4CS forks to AER forks is:

Wheel Axle
Wheel spacers

 

[Philip]

+Axle nut

 

[Sam Evans]

Awesome! Are the wheel spacers and axle Alta-specific?

 

[Philip]

Yes. If Liquid doesn't have them, then you can buy KTM/Husky/GasGas axle, spacers, and also triple clamps.

 

[Rashid510]

Yes. If Liquid doesn't have them, then you can buy KTM/Husky/GasGas axle, spacers, and also triple clamps.

Liquid has the axle and axle nut. Spacers are going to be hard to find which are Alta specific. The specs for the spacers are on the forum. (especially because Warp 9 has been dealing with people buying ALTA specfic parts and making assumptions). They will not have any stock.

 

[enjoythesilenc]

Will KTM triples reduce lock to lock steering radius?

 

[C5tor]

Here is another thread on this.

Front suspension converting from 4CS To 48AER

I have a 2017 & a 2018 MX with the junk 4cs front forks 😩. I just picked up two sets of 48AER FORKS. Does anyone know if the only difference is the front axles or are the bearings and races different as well? If it’s only the axles are they the same as the KTM axles?

electricdirtriders.com

 

[Judaslefourbe]

For that kind of price, you might be better off just changing the internals.
So you wouldnt have to change the rest.

 

[Philip]

For that kind of price, you might be better off just changing the internals.
So you wouldnt have to change the rest.

I know it is possible to change the WP 4CS internals to KYB SSS internals (not any cheaper). But where did you hear that you can change them to WP AER internals?

 

[Judaslefourbe]

But where did you hear that you can change them to WP AER internals?

Not what I meant. I don't like AER forks. I was thinking Ohlins or Kayaba.

 

[Sam Evans]

Forks from a 2004 KTM 125SX just bolt right on! Couldn't believe it. Better for moto than C4S, just a fun experiment.

Now seriously - AER conversion is too expensive; I got my prices mixed up.

Stillwell Performance offers a crazy cheap $250 revalve, but that could leave the shock out of balance.

Bottom line - where is one place I can send forks and shock to with solid experience and good reviews on Alta's? Don't care if I have to spend up to a grand; just want the bike to be the best it can be without protracted work on my side. Prefer revalving to swapping internals and all that. Thank you!