Author Topic: Tire size for C5  (Read 2839 times)

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eda1bulletc5

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on: November 11, 2012, 06:03:13 pm
Hi Folks,
Seems like it is time for a new pair of tires (first time swapping the tires)!

- I really do like the vintage look of either Dunlop K70 or Bridgestone L303 3.50-18; these are tube type, which is ok, but yet another part.
- There is the advantage that the front wheel diameter would be close to 19" wheel on G5/B5 improving handling on a C5.
- Can I put a 4.00-18 on the rear? Seems like this might probably improve the road handling but might have problem in fitment; wanted to confirm this from you guys. Mileage might also reduce a bit.

Going with the modern type tires,
Front tire - Bridgestone Battleax BT-45 90/90-18
Rear tire - Bridgestone Battlax BT-45 110/90-18
Of course these are tubeless type which is good. I have read a lot of folks here having good review about these tires.

Which one would you guys go with, again I am leaning towards vintage look; Dunlop K70 seems not to last for long...So wanted give a try to Bridgestone L303.

Any suggestions either on vintage or modern tires?

Thanks.
Sajiv
2011 RE C5 (@25K + miles)
2012 Honda NC700X 6-speed (sold @26K miles)
2013 BMW R1200RT (@43K + miles)


Ducati Scotty

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Reply #1 on: November 11, 2012, 10:04:17 pm
You need tubes no matter what.  Most spoked wheels do and ours do for sure.  These no problem putting tubes in a tubeless tire.

Scott


GSS

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Reply #2 on: November 12, 2012, 12:55:20 am
4.0x18 K70 Dunlop fits perfectly in the rear. 3.5x18 is no longer available in the K70, but replicas from Kenda and Cheng Shin are easy to find and work well for both font and back wheels.....however these are not the same quality as a Dunlop.  Upgrading to a 19" front rim works really well and a 3.5x19 Dunlop will fit as long as you are willing to make longer struts for the front fender.
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jartist

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Reply #3 on: November 12, 2012, 02:16:33 pm
Theoretically if you put a bigger rear tire on it but keep a 90/90-18 front you will make the steering twitchier. I would keep the sizes stock or if you want to experiment and make the steering more stable use the same size tire for the front and rear- 3.5-18 or 100/90-18 work well.  There are many choices with the 18 inch rims.
« Last Edit: November 12, 2012, 02:18:52 pm by jartist »


Hansel

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Reply #4 on: November 13, 2012, 06:56:45 am
Im looking at the shinko 244s... they look good and are a dual sport tires that come in a variety of sizes. I was going to do 3.5 front and 4.1 rear.


eda1bulletc5

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Reply #5 on: November 13, 2012, 08:44:11 pm
Hey Guys
I went with the OEM size itself and with Bridgestone BT45.
I would probably get the 3.5-18 front and rear the next tire change...
Thanks for the help
2011 RE C5 (@25K + miles)
2012 Honda NC700X 6-speed (sold @26K miles)
2013 BMW R1200RT (@43K + miles)


digstuffup

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Reply #6 on: November 14, 2012, 07:01:45 am
@ Hansel. I have the shinko 244s you are looking at. They do good for what i wanted. duel sport, larger diameter. Be aware you will have to modify the front fender slightly (C5) to have enough width clearance on the front tire.
2010 C5 military
I am dyslexic, pleas excuse any spelling errors.