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Old 12-06-2017, 10:31 PM
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Default APEX | Porsche Track Wheel Development



As you might have seen in our recent survey thread, APEX is working with the Porsche community in an effort to produce track wheels that offer unprecedented value. We have received 800+ survey responses from fellow community members offering feedback and fitment requests. The 996 chassis represented approximately 23% of the surveys submitted, so we’d love to hear more from this community. If you haven’t chimed in yet, you can still provide valuable feedback by taking our Porsche wheel survey here.

Before we can move forward, we need to fine tune certain fitment specifications for the 996 chassis. So, we’re seeking your expertise and need detailed feedback on the specs we believe should be produced.

Below is a list of all widths and offsets we’re looking to create for a variety of Porsche chassis in the first round of production. Fitments specific to the 996 chassis can be seen listed below. In accordance with the survey results, these will be produced in 18” sizes first and 19” thereafter. Survey data and community feedback will directly determine what will be produced, and when. Please note that both the SM-10 and EC-7 designs are being reviewed for feasibility. In your comment, please include tire sizes, tire model, and alignment settings if you have a change request so we can track developing trends.

Proposed Wheel Specifications

Front:
18x8.5” ET50
18x8.5” ET42
18x9” ET48
18x9.5” ET42

Rear:
18x10” ET60
18x10” ET36
18x10.5” ET40
18x11” ET62
18x11” ET38
18x11.5” ET63
18x11.5” ET42
18x12” ET65
18x12” ET45
18x12.5” ET46

Proposed Fitments for 996

Fronts:
F: 18x8.5” ET50 with 225/40-18, 235/40-18, or 245/40-18
F: 18x8.5” ET42 with 225/40-18, 235/40-18, or 245/40-18
F: 18x9” ET48 with 235/40-18, 245/40-18, 255/35-18
F: 18x9.5” ET42 with 245/40-18, 255/35-18, 265/35-18

Narrow body rear:
R: 18x11” ET62 with 285/35-18 or 295/30-18
R: 18x11.5” ET63 with 295/30-18, 305/30-18, 315/30-18
R: 18x12” ET65 with 305/30-18 or 315/30-18

Wide body rear:
R: 18x11” ET38 with 295/30-18, 305/30-18 or 315/30-18
R: 11.5” ET42 with 295/30-18, 305/30-18, 315/30-18
R: 18x12” ET45 with 305/30-18 or 315/30-18
R: 18x12.5” ET46 with 315/30-18 or 335/30-18

On-Car Image Gallery

I’d like to invite you to view new on-car imagery which help depict concavity profiles, finishes, and designs. The first round of images shown are the SM-10 design, however, the EC-7 design will follow.

If you would like to view all of our high-res versions, please click our Flickr album.


996 GT2 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -



996 GT3 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


996 GT3 - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -

​​​​​​​
997 GT3RS - 19" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -


997 GT3 - 19" SM-10
Front: Profile 1 (least concave)
Rear: Profile 3 (most concave)

Race silver -


Anthracite -


Satin black -


981 Cayman GTS - 18" SM-10
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


987 Cayman R - 18" SM-10 wheels
Front: Profile 1 (least concave)
Rear: Profile 2 (medium concave)

Race silver -


Anthracite -


Satin black -


Over the course of the next few months, I’ll be posting pre-order details, availability updates, brake diagrams, more visuals, etc.


Please revisit this thread frequently and feel free to reach out with any further questions!
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Old 12-11-2017, 03:29 PM
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As we make progress on engineering, please continue to share your thoughts on the wheel specifications listed above!
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Old 12-11-2017, 05:27 PM
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I dig the 9.5 / 11.5 availability for those who want to get aggressive with narrow body fitment. Will absolutely be on my radar when I need yet another set of wheels.
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Old 12-12-2017, 03:13 PM
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Originally Posted by AudiOn19s View Post
I dig the 9.5 / 11.5 availability for those who want to get aggressive with narrow body fitment. Will absolutely be on my radar when I need yet another set of wheels.
Appreciate the input. Does the narrow-body 11.5" offset look correct to accommodate appropriately sized R-comps? We're having an internal conversation to nix the 11.5" option and only offer the 11" and 12" for the narrow-body 996. However, if there's enough communal support for that specific width, it can and absolutely will be produced. Please let me know your thoughts!
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Old 12-12-2017, 05:16 PM
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Originally Posted by APEXRaceParts View Post
Appreciate the input. Does the narrow-body 11.5" offset look correct to accommodate appropriately sized R-comps? We're having an internal conversation to nix the 11.5" option and only offer the 11" and 12" for the narrow-body 996. However, if there's enough communal support for that specific width, it can and absolutely will be produced. Please let me know your thoughts!
Rear offsets all look pretty close...I'd actually stick closer to 63 on the 12"...FWIW CCW generally uses 9" backspacking (63.5) for their 12's. You'll want to watch clearance on that diagonal thrust arm in the rear.

I get the logic...you're not going to sell many sets in the 11.5 and 12 as they require careful alignments and possibly fender massaging to get them to fit...only the most aggressive people are going to run them so simplifying to 1 size might be the best.
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Old 12-12-2017, 09:42 PM
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Originally Posted by AudiOn19s View Post
Rear offsets all look pretty close...I'd actually stick closer to 63 on the 12"...FWIW CCW generally uses 9" backspacking (63.5) for their 12's. You'll want to watch clearance on that diagonal thrust arm in the rear.

I get the logic...you're not going to sell many sets in the 11.5 and 12 as they require careful alignments and possibly fender massaging to get them to fit...only the most aggressive people are going to run them so simplifying to 1 size might be the best.
Thank you for sharing your expertise - it's very helpful and appreciated!

Similarly to what we do with certain aggressive BMW fitments, we will still produce the ultra-aggressive Porsche fitments even if it only caters to a smaller crowd - just in a lower quantity and potentially during a future production run. Ideally we'll offer every width between 11-12" for the narrow-body 996 applications, it's just a matter of gaining community-wide support for each specific size. Producing and offering all three of those 18" rear widths from the get-go is feasible, we just need to know their demand.

A small portion of our success can be attributed to designing and engineering these typically built-to-order aggressive fitments and stocking them on-the-shelf to be shipped in less than a day's notice. Since this is a very communal project, the wheel specifications that are proposed and/or collectively agreed upon by enthusiasts have a heightened chance of being produced.

That said, if anyone has a specific fitment that they'd like to be produced, see any tweaks to be made to the fitment list(s) above, please make it known! We'd love to hear your thoughts.
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Old 12-19-2017, 04:14 PM
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Here we have a rendering showing the 18" SM-10 in our three finishes against a Racing Yellow Cayman GTS. The front wheels are profile 1 concavity - the least amount of concave. The rear wheels are profile 2 concavity - medium amount of concave.

Satin black -



Anthracite -



Race Silver -



Please reach out with any questions!
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Old 12-27-2017, 05:28 PM
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I hope you all had a joyous holiday season with friends and family.

As we inch closer to production, please continue to share your thoughts here and view our new imagery below!

Thanks to RL'er r6elmo, here we have a 997 GT3 equipped with APEX SM-10 in our three finishes. The front concavity is profile 1 and rear is profile 3.

Race silver -


Anthracite -


Satin black -
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Old 12-27-2017, 06:26 PM
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That is a good looking wheel, very cup/ Motorsport in style, loving the silver.
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Old 12-28-2017, 05:19 PM
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Originally Posted by Dervish View Post
That is a good looking wheel, very cup/ Motorsport in style, loving the silver.
Greatly appreciate the positivity! The I-beam spokes are very prominent in person yet hard to capture in pictures.




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Old 01-02-2018, 08:20 PM
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Happy new year to you all!

I hope 2018 brings you health, happiness, prosperity... and APEX wheels this spring!

Here we have a beautiful basalt black 996 GT3 on 18" SM-10 in our three finishes. Similarly to the rest, these front wheels are concavity profile 1 (least concave). The rear wheels are concavity profile 2 (medium concave).

Race silver -


Anthracite -


Satin black -
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Old 01-12-2018, 03:19 PM
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To answer the numerous people asking for concavity profile clarification, here’s a general overview of how they’re presented and produced for each specific application.

We offer our Porsche-specific APEX SM-10 and EC-7 in two or three different concavity profiles. Pending design and final engineering/strength optimization, the wheels will vary in concavity depth from profile one to three; one being the least concave, three being the most concave. Typically, the level of concavity is dependent on the width and offset of the wheel. The wider the wheel and lower the offset, the more concave. Whereas the skinnier the wheel and higher the offset, the less concave. While the amount of concavity may differ, some wide(r) and low(er) offset wheel specifications have a deeper “pocket” or center pad where the studs/lug nuts attach to the hub.

The varying concavity profiles in the SM-10 and EC-7 ensure that spoke curvature and brake clearance is never compromised due to width or offset changes in the wheel. The SM-10 and EC-7 are of the few 18" VIA/JWL certified wheels on the market that can clear both an aftermarket and OEM 380mm rotor 6-piston brake kit.



We are now making final tweaks in the engineering phase, prior to launching our initial pre-order/group buy next month. We’ll continue to update the community through the different phases of production, and will continue to release on-car photography to give enthusiasts a better idea of how some of these proposed wheel designs visually appear on specific chassis. Stay tuned for updates and solidified ETAs!

Please let me know if you have any further comments, questions, or fitment change requests.
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Old 01-17-2018, 07:49 PM
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As we progress into the final stages of engineering and initial stages of production, please feel free to reach out with any questions or comments.

Our pre-order group buy is set to go live in approximately one month. I will update with a solidified date and further details shortly.

Thanks, all!
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