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Kōgeki 15x9 flow formed wheel

Kōgeki 15x9 flow formed wheel

Exclusive to Flyin' Miata!

Regular price $189.00 USD
Regular price Sale price $189.00 USD
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Kōgeki means "attack" in Japanese - seemed appropriate since these are intended for attacking your favorite corners, whether they're on a track or your favorite backroad.

These flow formed wheels are exclusive to Flyin' Miata and built for us by a major wheel manufacturer. They're high-pressure cast for less porosity, then the rim is spun-forged. They were designed specifically for the NA/NB Miata to ensure clearance for all FM and stock brake setups and for the perfect fit under the fenders. Because we know they'll be used hard, they're rated for 550kg (1213 lbs) of load instead of the more standard 500 kg (using J2530 JWL standards). They also have knurling to prevent tire slip.

The spoke design allows for a massive amount of brake clearance, more so than any other 15x9 we've tested.

And seriously, just look at them. Yummy.

You can fit a 225/45-15 on a 9" wheel under unmodified NB fenders, although NA fenders will require a roll. 245/40-15 might need a slight roll on an NB and will need a more aggressive roll on an NA. The 9" wheels won't fit with stock diameter springs (such as the FM springs), but they will fit with a 2.5" or smaller spring (such as the Fox or V-Maxx). The wheel also has stupendous amounts of brake clearance, which you can check with our printable template.
15x9 wheel template

Centering rings aren't required, as the wheel will center on the taper of the lug nuts, but centering rings do make installation a tick easier.

You can use stock lug nuts and chrome sockets, but it's close - 21mm impact sockets probably won't clear, 19mm impact sockets (as used with our 19mm lug nuts) probably will, but be careful. Chrome 19mm sockets should have plenty of room. 

If you choose to upgrade your wheel studs (recommended if spacers are used or if the car will see extreme use), the 1990-93 NA6 uses 0.507" studs on all four corners. Other NAs and NBs use 0.579" on the rear and 0.507" on the front.

Note that wheels are sold individually, so make sure you order 4. 

Also sold as a 15x8.


15x9: 13.45 lbs, +36 offset, 67.1 mm hub bore

We recommend that any wheel used on the track be inspected regularly for cracks and fatigue as part of proper maintenance. 

Want to know if these will fit your ND? Maybe... Check out this article for the details. 


Instructions are not currently available.


Ships free in the US.

There are no shipping restrictions on this item.

What does it fit?

Fits: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2004 MSM, 2005, 2005 MSM


Emissions do not apply.


1 year



Customer Reviews

Based on 3 reviews
Mark W.
Initial impression - GREAT bang for not much buck!

These are very nice, especially for the price point! The knurled bead is a great touch, they're nice and light, and look great! I bought these for autocross wheels for my ND (plenty of room over the FM LBBK front and rear.
You NEED a low profile socket for these. I have GWR's forced 19mm lugs, and the clearance is TIGHT. Also, there is not much room around them on an ND for the balance weights, so be careful putting them on and off. Otherwise, so far so good! Cheers,
Mark W.

Unbeatable for the price

Nothing but good things to say about these wheels, the weight they quote is spot on, they look amazing, they clear my Wilwood calipers with plenty of space left over.Just make sure to have a set of smaller sized lug nuts, I am using 17mm ones and the socket was very close to touching.

Brandon M.
Not just for Miata's!

So, recently I was looking for a set of reverse staggered wheels for my DC2 Acura Integra GS-R. I was looking to run a set of 15x9's up front (because wrong-wheel-drive) and 15x8's in the rear. Finding matching wheels like this with the correct offset is actually harder than you might think. Konig makes a couple sets, but I would have to do a pretty aggressive roll to clear the +25 offset. Being a long-time Miata junkie, I turned to FM for my Honda (err, Acura). The 15x8 +36 rears cleared the rear trailing arm without an issue! The 15x9's cleared my Integra's front left knuckle just BARELY! They came VERY close to clearing the right front knuckle- to the point where I could just dremel the casting mark to make it flush with the rest of the knuckle and it would probably work. The right answer is likely a 3mm spacer, which, for a wheel that's 3 inches wider than stock, that's about as perfect as you can get! The wheels are gorgeous and appear to be of high quality. There's a good chance I'll be ordering an extra set soon!

I understand you guys are a Miata company, and I've ordered plenty of parts for my old Miata's from you guys over the years, but just figured I would give some feedback for the guys that might cross-shop on the 4x100 Honda front! You inadvertently made one of the only sets of wheels on the market that would work almost perfectly for the common reverse staggered 15x9 F 15x8 R setups commonly found on old wishbone Honda's! Thank you!

We love all kinds, it's awesome to hear that our wheels worked so well for you!