Tire Questions

  • JR
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10 Mar 2025 08:42 - 10 Mar 2025 08:43 #909894 by JR
Tire Questions was created by JR
I have Bridgestone Spitfires on front and rear. The front is in good shape but the rear has a little bit of sidewall cracking and I'm looking at it and thinking I should replace it.

However. I cant find a Bridgestone Spitfire and I dont think they even exist any more. What is the thinking re putting a different brand tire on the rear?
or perhaps a Bridgestone Battlax on the rear?
Also thinking maybe a set front and rear Shinko. Japanese, make in Korea. Anyone  running them on a 750/4 ?

1980 kz750E1, Delkevic exhaust
Last edit: 10 Mar 2025 08:43 by JR.

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10 Mar 2025 08:49 #909896 by Warren3200gt
Replied by Warren3200gt on topic Tire Questions
Replace the pair, both front and back. As the back one  wears fastest and is old enough to split I bet the front is ancient also.
What's the date code on the front tire?
When riding, if a tire is going to let go I'd rather it be the rear over the front.! 


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  • Wookie58
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10 Mar 2025 09:03 - 10 Mar 2025 09:04 #909897 by Wookie58
Replied by Wookie58 on topic Tire Questions

I have Bridgestone Spitfires on front and rear. The front is in good shape but the rear has a little bit of sidewall cracking and I'm looking at it and thinking I should replace it.

However. I cant find a Bridgestone Spitfire and I dont think they even exist any more. What is the thinking re putting a different brand tire on the rear?
or perhaps a Bridgestone Battlax on the rear?
Also thinking maybe a set front and rear Shinko. Japanese, make in Korea. Anyone  running them on a 750/4 ?
Agree ref replacing as a pair, if you like the spitfires they are available by the looks of it ?

Bridgestone Spitfire S11
Last edit: 10 Mar 2025 09:04 by Wookie58.
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10 Mar 2025 09:28 #909899 by JR
Replied by JR on topic Tire Questions
Date code on the front 1220. So week 12 2020. Rear also coded for sometime in 2020. 

i do like the spitfires and have had several sets over the last 20 + years . Possible that  they are no longer available just in Canada. 



 

1980 kz750E1, Delkevic exhaust

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  • Wookie58
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10 Mar 2025 09:35 #909900 by Wookie58
Replied by Wookie58 on topic Tire Questions

Date code on the front 1220. So week 12 2020. Rear also coded for sometime in 2020. 

i do like the spitfires and have had several sets over the last 20 + years . Possible that  they are no longer available just in Canada. 


 
Maybe I should have looked where you are before posting a North American link 

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  • sf4t7
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10 Mar 2025 09:36 #909901 by sf4t7
Replied by sf4t7 on topic Tire Questions
I've got Shinko 230's on my Z1.  Very happy with them, good grip dry or wet roads.

Scotty

1974 Z1A
Yoshimura 987, 10.25:1
welded Z1 crank
Andrews 1X Cams
Delkevic 4 into 1
Superbike bars
530 conversion
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10 Mar 2025 09:40 #909902 by kimchella
Replied by kimchella on topic Tire Questions

Replace the pair, both front and back. As the back one  wears fastest and is old enough to split I bet the front is ancient also.
What's the date code on the front tire?
When riding, if a tire is going to let go I'd rather it be the rear over the front.! 
Totally agree with Warren, replace both as a pair,  I have had old tyres that look good fail, and at speed it is not fun. I am using Bridgestone Battlaxe tyres which are a decent tyre..
Rich.

KZ650B1 frame number 225
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  • Nessism
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10 Mar 2025 12:53 #909905 by Nessism
Replied by Nessism on topic Tire Questions
Pretty sure the Spitfire was discontinued.  Shinko 230 are cheap, and they stick well, but they wear fast.  A good choice for a bike that doesn't see a bunch of miles.

120/90-18 rear
100/90-19 front
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10 Mar 2025 13:26 #909906 by JR
Replied by JR on topic Tire Questions
Just back home from a visit to my local small motorcycle store and can confirm Spitfires discontinued.

Had a good chat and settled on a pair of Shinko 230 Tour Masters. I've been a regular there for years and got a very good price that includes install. If I have to change them at 3 or 4 years thats ok. Still a good deal. I only do about 3000 km/ year but the extreme weather here is rough on tires as the bike is parked outdoor 12 months a year.

it will be a couple more weeks before i'm back on the road. Still a bit of snow about and when that goes we'll have left over grit and crud in the corners.
thanks All

 

1980 kz750E1, Delkevic exhaust
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