Bora 3/4" wheel spacers

This site may earn a commission from merchant affiliate
links, including eBay, Amazon, Skimlinks, and others.

I know 20mm wheel adapters have worked in the past. But they were not hub centric. 3/4" also equates to 19mm. I would give them a try. If they don't work, I think motorsport-tech would exchange them for 1" or so.
 
Ok- undertand now.

I'm running 1.25"(30mm) Bora spacers on my 275/70-18 KO2 w/section witdth at 11" tire edges sit almost even with the fender lip. Not sure which 295s you're running but if your section width is around 11.70 +\- your tires would be theoretically near the same position with 3/4" spacers. You could prob go to 1" and still have clearance at all articulation angles.

Hers a pic of the front from both sides

image.webp


image.webp
 
Thanks for the pics. The many helpful posts like this are what got me looking at the 3/4" spacers, just not sure if they'll fit without grinding the studs. I think I'll just try and found out, and then swap for 1" if the don't work.
 
Hey folks.
Lenny at motorsport-tech says that 3/4" adapters wont fit on a Hundy. Nothing to do with the stud lenght, he says it won't clear the hub and that 1" is the minimum. I can't figure what he means. Does this make any sense to you?
 
Hayes said:
Hey folks.
Lenny at motorsport-tech says that 3/4" adapters wont fit on a Hundy. Nothing to do with the stud lenght, he says it won't clear the hub and that 1" is the minimum. I can't figure what he means. Does this make any sense to you?
Click to expand...

Give them a call ask them to explain. Guessing could be to clear the "Hub Flange" for the front. On the fronts there are little machined tabs that go around the flange bolts that stick out to help keep the wheel centered, they may not be long enough and this may be part of the issue.
 
abuck99 said:
Give them a call ask them to explain. Guessing could be to clear the "Hub Flange" for the front. On the fronts there are little machined tabs that go around the flange bolts that stick out to help keep the wheel centered, they may not be long enough and this may be part of the issue.
Click to expand...

That's my impression. Lenny said he couldn't explain better over the phone. I guess it means there is not enough clearance to machine in the hub centering lip on the adapter.
 
What came of the 3/4" spacer idea?
 
Hayes said:
Hey folks.
Lenny at motorsport-tech says that 3/4" adapters wont fit on a Hundy. Nothing to do with the stud lenght, he says it won't clear the hub and that 1" is the minimum. I can't figure what he means. Does this make any sense to you?
Click to expand...

I just learned this fact the expensive way yesterday.
This a newly made 3/4” Bora spacer, 100 series front, correctly oriented (only fits one way).
IMG_5830.jpeg


Spacer will not sit flush, gap of at least 1/8"/3mm.
IMG_5832.jpeg


Makes contact under what remains of the hub centric ring next to the shoulders of the hub hardware.
IMG_5834.jpeg


Witness marks from contact
IMG_5835.jpeg


As a test I placed the 3/4" spacer on top of the 1/4” Bora slip on spacer I’m currently using and everything fit fine. So 1" is indeed the 100 series minimum. I’m surprised Bora has this as a build option on their configurator and even more surprised they went so far as to build me these knowing they wouldn’t fit. Maybe some careful additional machining could be made to make them work but there would be even less of the hub centric ring remaining. Understandably they have a strict return policy but I'm hoping that they'll work with me on this one as this is the 4th set of their spacers I have used and I've always been super happy with their products. I have emailed them and linked this thread.
 
Last edited:
GTV said:
I just learned this fact the expensive way yesterday.
This a newly made 3/4” Bora spacer, 100 series front, correctly oriented (only fits one way).
View attachment 3639802

Spacer will not sit flush, gap of at least 1/8"/3mm.
View attachment 3639803

Makes contact under what remains of the hub centric ring next to the shoulders of the hub hardware.
View attachment 3639804

Witness marks from contact
View attachment 3639805

As a test I placed the 3/4" spacer on top of the 1/4” Bora slip on spacer I’m currently using and everything fit fine. So 1" is indeed the 100 series minimum. I’m surprised Bora has this as a build option on their configurator and even more surprised they went so far as to build me these knowing they wouldn’t fit. Maybe some careful additional machining could be made to make them work but there would be even less of the hub centric ring remaining. Understandably they have a strict return policy but I'm hoping that they'll work with me on this one as this is the 4th set of their spacers I have used and I've always been super happy with their products. I have emailed them and linked this thread.
Click to expand...
I have purchased multiple sets of spacers from Lenny (owner of BORA) and once had a hiccup with a slip on spacer. We ultimately decided it was likely my hub but He was honestly more interested in identifying the problem so that it wouldn’t happen again and did not give me any trouble with exchanging. I have been very happy with the quality of their products

FWIW I currently run a set of his spacers on one of my cruisers
 
  • Like
Reactions: GTV
I got a set of 3/4" BORA spacers back in November and was concerned when they got here since they didn't have the typical teeth for the front spacers. I called to ask and I can't remember the conversation well but he assured me that what I got was correct. I currently run 1.25" spacers but got them because I want to maintain the exact same tire poke when I go to a different size wheel and tire. I haven't test fit them and probably won't until I'm switching setups so I guess I'm kind of crossing my fingers that they work as BORA assured me they would. It doesn't feel like they're going to work. I'm not sure why they would have this as an option. I remember asking specifically if they were hubcentric but it seems like without the teeth how would they be?

IMG_20240526_091535.jpg
 
GTV said:
I just learned this fact the expensive way yesterday.
This a newly made 3/4” Bora spacer, 100 series front, correctly oriented (only fits one way).
View attachment 3639802

Spacer will not sit flush, gap of at least 1/8"/3mm.
View attachment 3639803

Makes contact under what remains of the hub centric ring next to the shoulders of the hub hardware.
View attachment 3639804

Witness marks from contact
View attachment 3639805

As a test I placed the 3/4" spacer on top of the 1/4” Bora slip on spacer I’m currently using and everything fit fine. So 1" is indeed the 100 series minimum. I’m surprised Bora has this as a build option on their configurator and even more surprised they went so far as to build me these knowing they wouldn’t fit. Maybe some careful additional machining could be made to make them work but there would be even less of the hub centric ring remaining. Understandably they have a strict return policy but I'm hoping that they'll work with me on this one as this is the 4th set of their spacers I have used and I've always been super happy with their products. I have emailed them and linked this thread.
Click to expand...

How recently did you order these? I ordered fronts and rears back in November and what I received didn't have the hub centric ring and I was assured that what I received was correct and hubcentric (see pictures above). I'm very confused why I would have received something different.
 
YotaWagon said:
I got a set of 3/4" BORA spacers back in November and was concerned when they got here since they didn't have the typical teeth for the front spacers. I called to ask and I can't remember the conversation well but he assured me that what I got was correct. I currently run 1.25" spacers but got them because I want to maintain the exact same tire poke when I go to a different size wheel and tire. I haven't test fit them and probably won't until I'm switching setups so I guess I'm kind of crossing my fingers that they work as BORA assured me they would. It doesn't feel like they're going to work. I'm not sure why they would have this as an option. I remember asking specifically if they were hubcentric but it seems like without the teeth how would they be?

View attachment 3640393
Click to expand...

The plot gets weirder.
Yours will certainly bolt up without the issue I have but the hub ring being completely gone is concerning to me. Maybe the hub will sit proud of the spacer and center the wheel but the only way to know is to unbolt a wheel and offer it up. Please, please test fit one and post pictures.

YotaWagon said:
How recently did you order these? I ordered fronts and rears back in November and what I received didn't have the hub centric ring and I was assured that what I received was correct and hubcentric (see pictures above). I'm very confused why I would have received something different.
Click to expand...

I ordered April 13 and received them about a week and a half ago. Hopefully Lenny will see this thread and we can work on a resolution.
 
YotaWagon said:
I got a set of 3/4" BORA spacers back in November and was concerned when they got here since they didn't have the typical teeth for the front spacers. I called to ask and I can't remember the conversation well but he assured me that what I got was correct. I currently run 1.25" spacers but got them because I want to maintain the exact same tire poke when I go to a different size wheel and tire. I haven't test fit them and probably won't until I'm switching setups so I guess I'm kind of crossing my fingers that they work as BORA assured me they would. It doesn't feel like they're going to work. I'm not sure why they would have this as an option. I remember asking specifically if they were hubcentric but it seems like without the teeth how would they be?

View attachment 3640393
Click to expand...


The fronts are not hub-centric and are definitely lug-centric. Also, there isn't enough oem hub length to protrude through and center the wheels to help center itself.

I'd send them back. If I insisted on a 3/4" spacer then I'd use a router bit to clearance the backend to clear the hub plate. This will still leave a fair amount of hub ring on the spacer. A 1" spacer would be better but still require just a tad of a shave.
 
You must log in or register to reply here.

Share this page

Back
Top Bottom