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GS 1150 rear wheel on my 1100 Katana

J

John Kat

Forum Sage
I decided to upgrade the rear wheel on my 1100 Kat:cool:
The OEM wheel is very narrow at only 2.5" wide while the 1150 wheel came in both 3" and 3.5" sizes.
To fit the wheel, I prepared a kit that comprises:
A larger outside disk spacer ( by 5 mm)
A narrower outside sprocket spacer ( by 5 mm)
A larger ( by 3 mm) OEM 1150 engine sprocket spacer
A cut-out brake stay to clear the tire
Here's a picture that compares the OEM spacers with those required.
DSCF5708_zpsb14102a1.jpg

Here's the 3.5" wheel
DSCF5710_zpseaa72a85.jpg
 
Greg B said:
Why not go with a 4" GSX-R wheel?
Click to expand...
The GSXR 4" wheel is definitely the best "racing" upgrade for our GS's.
My GS 1000 ST is equipped with this wheel in an effort to reduce weight.
There are a couple of issues however:
1) It detracts from the OEM front wheel as the lips aren't polished
2) It requires the complete rear brake setup including the brake stay
3) It requires the matching sprocket carrier
4) It requires an offset engine sprocket
5) The OEM chain guard no longer fits
Still worth the effort if you can find one!
GS1000ST004_zps8980384d.jpg
 
A few pictures of the 3.5" versus 2.5" wheel.
Interestingly enough the 3.5" wheel weighs 20.7 kg versus 22.5 kg for the 2.5" wheel?
It must come mostly from the thinner rear disk?
The 3.5" wheel with a 130/90*17 tire
RoueGSX35006_zps57cad9b5.jpg

On the bike
RoueGSX35013_zps6ea0424b.jpg

The reason why you need to narrow the brake stay:
RoueGSX35012_zps65eaeeca.jpg
 
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