C-Street Wheel options - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Skurj · 09-07-2015, 05:01 PM

Apart from rpf1's what other lightweight options are there out there in our OEM size?
(less than 17lbs...)

Tirerack lists a kosei and the rpf1's, I believe I have seen a BBS RK around 16lbs..

SVLTE · 09-07-2015, 11:01 PM

Budget makes a big difference, but it's hard to argue with the 14.0lb Kosei K4R at $199 a pop. Every CS FR-S in my region seems to be on them, including me. The K4R's don't seem to have any sign of failures like some other Kosei models have had, but if you were also doing a lot of track days and were really concerned with strength, the RPF1's seem to be one of the more robust cast wheels out there. There are some lighter forged wheels in existence, but every option I've looked at seems to be either custom or discontinued, making them very expensive and/or very hard to find.

Shark_Bait88 · 09-08-2015, 10:35 AM

I picked up a used set of Kosei K1 TSs for $450. You can't beat that value! The K1s are a favorite in Spec E30 and E36 racing too, so they can definitely stand up to track abuse.

CatDaddysBBQ · 09-08-2015, 09:12 PM

I have the Team Dynamics Pro Race 1.0 in 17x7 - comes out to 16lbs each. Pretty happy with them so far. They usually go for 200 each or less, but I scored a full NIB set of 4 for 350 bucks!

http://www.teamdynamicsracing.com/pr...race1black.htm

Blue Gt · 09-08-2015, 09:15 PM

We put these on last week, they look right and seem to make the car more responsive. DP

MTeator · 09-08-2015, 09:28 PM

I thought I heard they were making the traklites again?

AFRichZC6 · 09-13-2015, 05:54 PM

I'm on a set of Buddy Club P1 in 17x7 +42. They're about 16 lbs each. Not too common of a wheel. There's also a set of BBS RG in similar specs in the wheel classifieds right now.

Cueman · 09-14-2015, 11:10 AM

Quote:

Originally Posted by MTeator

I thought I heard they were making the traklites again?

I picked up a set.

I would have rather bought the Kosei's, but couldn't find them in stock anywhere. I never had them on a scale, but they feel similar to my 16lb Technocast Corsia.

PWBRZ · 09-14-2015, 03:38 PM

Quote:

Originally Posted by Blue Gt

We put these on last week, they look right and seem to make the car more responsive. DP

Those look nice and at 14.0 lbs the wheels alone are approx 6.1 lbs lighter than stock wheels. And even with tires weighing a little more than stock, this is still a decent weight savings - especially when you consider it's unsprung, rotating weight. Do you notice a difference in braking and acceleration?

MTeator · 09-14-2015, 09:18 PM

Quote:

Originally Posted by Cueman

I would have rather bought the Kosei's, but couldn't find them in stock anywhere. I never had them on a scale, but they feel similar to my 16lb Technocast Corsia.

Mine are 14.3lbs

Blue Gt · 09-14-2015, 09:51 PM

Quote:

Originally Posted by PWBRZ

Those look nice and at 14.0 lbs the wheels alone are approx 6.1 lbs lighter than stock wheels. And even with tires weighing a little more than stock, this is still a decent weight savings - especially when you consider it's unsprung, rotating weight. Do you notice a difference in braking and acceleration?

Yes PW you can feel it a little with the butt dyno. I expect it will help improve our Autocross times. I like having a wheel other than silver RPF 1's on the blue car. DP

09-07-2015, 05:01 PM	#1
Skurj Senior Member Join Date: Nov 2012 Drives: SOLD... Location: GTA Ontario Posts: 955 Thanks: 56 Thanked 192 Times in 155 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	C-Street Wheel options Apart from rpf1's what other lightweight options are there out there in our OEM size? (less than 17lbs...) Tirerack lists a kosei and the rpf1's, I believe I have seen a BBS RK around 16lbs.. __________________ WRB MT BRZ Sport Tech Delivered March 21 2013 Its mine now!! Paid for Mar 2018 and its gone... Sept '18 tho I am sure I will miss it Replaced with 18 50th edition ND

09-08-2015, 10:35 AM	#3
Shark_Bait88 Senior Member Join Date: Jun 2014 Drives: 2013 Firestorm FR-S Location: Midwest Posts: 1,350 Thanks: 1,674 Thanked 865 Times in 481 Posts Mentioned: 12 Post(s) Tagged: 2 Thread(s)	I picked up a used set of Kosei K1 TSs for $450. You can't beat that value! The K1s are a favorite in Spec E30 and E36 racing too, so they can definitely stand up to track abuse. __________________ "Shark_Bait88, the man who’s spent the most money modding his stock FR-S and it’s still stock." -@jdnguyen

09-08-2015, 09:15 PM	#5
Blue Gt Member Join Date: Jun 2015 Drives: 2013 Scion FR-S Location: Minnesota Posts: 69 Thanks: 16 Thanked 28 Times in 14 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Kosei K4R wheels on FR-S We put these on last week, they look right and seem to make the car more responsive. DP Attached Images

09-08-2015, 09:28 PM	#6
MTeator First 86 Join Date: May 2012 Drives: 2013 Scion FR-S Location: Lexington, KY Posts: 303 Thanks: 14 Thanked 98 Times in 56 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I thought I heard they were making the traklites again? __________________ Scion First 86 in Lexington KY - Firestorm 6MT - Delivered May 17, 2012 Mods: Motegi 17x7 TrakLites, BFG Rivals, K&N 33-2300 Filter, Nameless Perf. Track Pipe, TRD springs & rear bar, Hotchkis front bar (eh), Kask trailer hitch

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09-07-2015, 11:01 PM	#2
SVLTE Member Join Date: Mar 2015 Drives: 2013 FR-S Location: Pittsburgh Posts: 44 Thanks: 4 Thanked 7 Times in 6 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Budget makes a big difference, but it's hard to argue with the 14.0lb Kosei K4R at $199 a pop. Every CS FR-S in my region seems to be on them, including me. The K4R's don't seem to have any sign of failures like some other Kosei models have had, but if you were also doing a lot of track days and were really concerned with strength, the RPF1's seem to be one of the more robust cast wheels out there. There are some lighter forged wheels in existence, but every option I've looked at seems to be either custom or discontinued, making them very expensive and/or very hard to find.

09-13-2015, 05:54 PM	#7
AFRichZC6 Senior Member Join Date: Jan 2014 Drives: BRZ Location: Bay Area, CA Posts: 197 Thanks: 104 Thanked 123 Times in 70 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	I'm on a set of Buddy Club P1 in 17x7 +42. They're about 16 lbs each. Not too common of a wheel. There's also a set of BBS RG in similar specs in the wheel classifieds right now.

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