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**ZukiFred** · 02-23-2015, 08:23 AM

Yes, but the rear brake caliper mounts on the top of the swing arm on the pre’s and from the bottom on the Post’s. The Post will be about 2 inches longer so you will need a longer chain and

**Kreylyn** · 02-23-2015, 10:23 AM

Post swingarm is 1.5" longer than the pre.

The pivot is 5mm wider
The brake mounting is on the bottom side.
The linkage mounting is different.

It can be made to work... If you have a full swingarm/linkage setup from the post, post kat rear caliper, and new brake line. You would still need to modify the pivot point by cutting 2.5mil off each side.

Alternatively you could do other mods to the brake arm mounting to move it to the top and use the pre caliper. Or... mod the swingarm to use a RF caliper/caliper bracket with no brake arm at all.

Krey

**ZukiFred** · 02-23-2015, 01:16 PM

Guess I was a little off on that one.

**Kreylyn** · 02-23-2015, 02:36 PM

Originally posted by ZukiFred View Post

Guess I was a little off on that one.

I kept the Pre swingarm with yours. I felt the handling benefit was well worth it.

Krey

**cnyoung** · 02-23-2015, 09:21 PM

Thanks Krey and ZukiFred wanted to know before I bought this.Will be doing wide swingarm mod have extra 600 but it is to short I'm told. Found one for post for a good price.

**ZukiFred** · 02-24-2015, 06:51 AM

Thank you Tim, I could feel the diference in the handeling.

cnyoung, I think the post swingarms are the same on the 600 and 750, but the 600 is shorter than the 750 for the pres, I am not 100% sure, but maybe someone who is can confirm.

**Kreylyn** · 02-24-2015, 07:35 AM

Yeah, that's right. Post are same length both cc, and match the pre 750. The pre 600 swingarm is the only shorter one.

A pre 750 works great for the swingarm mod.

To clarify though...

The pre 600 can be used for the 5.5" rim mod... it's the 6" rim mod that gets just a bit too much. You can still shove one in there, but the tire would be closer than I would recommend in clearances to hard parts.

The Pre 750 can work for both.

Krey

**TheCheetorProject** · 02-27-2015, 03:06 PM

I have a pre750 swing arm for sale if you need one.

**rarva** · 10-26-2015, 02:47 PM

Hi to all!
Sorry to use this old post, but I've been reading a lots of post... and it's starting to get confused.
I have a 88 600, I wanted to replace the rear wheel for a rf600... do I need to use the 750 pre swingarm? for enough clearence?
'm going t be using the r6 shock... as far as I read... it only works ith th pre swingarms
I'm kind of desperate to be pointed in the right direction... because the more posts I read... less consensus i get!!!
Help anyone?

**Kreylyn** · 10-29-2015, 04:49 PM

Originally posted by rarva View Post

Hi to all!
Sorry to use this old post, but I've been reading a lots of post... and it's starting to get confused.
I have a 88 600, I wanted to replace the rear wheel for a rf600... do I need to use the 750 pre swingarm? for enough clearence?
'm going t be using the r6 shock... as far as I read... it only works ith th pre swingarms
I'm kind of desperate to be pointed in the right direction... because the more posts I read... less consensus i get!!!
Help anyone?

What luck for you I logged in for the first time in abouts a year.

I'd suggest you get a pre 750 swingarm. You can widen it just by minimal bending of the arms and have clearance to run a 4.5" rim and correctly sized tires. No welding nessasary.

Keep in mind the 88 is different than any other year kats. So you need to compare and research carefully on ALL parts. The 88 swingar (and all parts attached) are different than the other years. So axle adjusters, so on... not gonna match up.

But then, swapping to a RF wheel means your going to need different adjusters and axle anyways.

Krey

**Million$** · 10-31-2015, 08:14 AM

Hey Krey, what year GSX-R wheel?

**Kreylyn** · 10-31-2015, 08:20 AM

Originally posted by Million$ View Post

Hey Krey, what year GSX-R wheel?

For?...

You want to match spoke pattern with the front and /or what rim width do you want?

Krey

**Million$** · 10-31-2015, 02:48 PM

I'd like to have a matching spoke pattern but the width is what Im really after. Just wondering if there was a specific year. I was also wondering if a hayabusa wheel work?

**Kreylyn** · 11-01-2015, 07:58 AM

Originally posted by Million$ View Post

I'd like to have a matching spoke pattern but the width is what Im really after. Just wondering if there was a specific year. I was also wondering if a hayabusa wheel work?

Wider than a 5.5" wheel will mean you need to have custom offset sprockets made, or offset the rear wheel from center. It's alot more work and 10X more complicated to get right.

5.5" wheels can be used simply enough. A 92-93 GSXR 600 rear wheel is an exact match to the post kat wheels and uses a 20mm axle. Some bandit 1200 wheels can be used as well and also use a 20mm axle.

90-92 GSXR 750 rear wheels are 5.5" and use a 20mm axle with curved spokes like the pre kats.

Not sure what wheels your matching too. With out stretching the swingarm, you would need to modify the width for tire clearance on any rim 5.5" or larger. Stretched arms don't necessarily have that issue depending on the final parts choice.

Krey

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