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Author Topic: Project CB350F cafe brat  (Read 5742 times)

Offline Integra99

  • Posts: 95
Re: Project CB350F cafe brat
« Reply #30 on: Mar 08, 2018, 09:39:22 »

Ooh yes rear will be nice.. I had thought about a 3" rear, 120 will be good.  I think front will support the 100 well.

Yes almost finished just tank to paint..

I've got a Yamaha XS750 painted and its been fine.. So I think it will be ok..


Offline WhyNot

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Re: Project CB350F cafe brat
« Reply #31 on: Mar 08, 2018, 10:20:15 »
Ooh yes rear will be nice.. I had thought about a 3" rear, 120 will be good.  I think front will support the 100 well.

Yes almost finished just tank to paint..

I've got a Yamaha XS750 painted and its been fine.. So I think it will be ok..




Really want to go with tire sizes like you are doing stubsryan, but I'll more than likely stay factory


Nice bike integra99.....love the pipes.

They look familiar:

« Last Edit: Mar 08, 2018, 10:23:59 by WhyNot »
2006 Harley Davidson Heritage Softail
1975 Honda CB750K5 needs carb work
1974 Honda CB350F2 needs tins painted (being lazy)
1972 Honda CB175K2 roller no engine
1972 Honda CB/CL350 Engines need roller
1972 Honda SL350K2 Frame for above engine
1972 Honda CB100K2 needs kicker shaft
1990 Mitsubishi MM needs engine rebuild
1984 Dodge D50 Beater DD since 1997

Offline Integra99

  • Posts: 95
Re: Project CB350F cafe brat
« Reply #32 on: Mar 08, 2018, 10:58:56 »

Nice pipes.. I havent ridden far with them just a few blips.. but sound good so far!

Offline teazer

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Re: Project CB350F cafe brat
« Reply #33 on: Mar 08, 2018, 11:05:41 »
Just a thought but that's a light bike and wide tires are not a good match if you like corners.  A better combo might be say 2.15 front and 2.50 rear with a 100/80 front and 110/80 or maybe 120/80 on the rear.  That's the same as an RZ350.

For its power and weight, those are arguably one size too large and a 1.85 front rim 2.15 rear might be better for handling but they will look slimmer. That's what was on my race Cb77 and work well.

Offline Integra99

  • Posts: 95
Re: Project CB350F cafe brat
« Reply #34 on: Mar 08, 2018, 11:19:18 »

I agree its why I opted for a slimmer tyre, originally I was wanting a 130 but quickly advised it may look good but the handling would be greatly affected.  I may even put a 90 on the front at some stage.
 

Offline WhyNot

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Re: Project CB350F cafe brat
« Reply #35 on: Mar 08, 2018, 11:50:09 »
I agree its why I opted for a slimmer tyre, originally I was wanting a 130 but quickly advised it may look good but the handling would be greatly affected.  I may even put a 90 on the front at some stage.

Where did you source those wheels and tires from?
2006 Harley Davidson Heritage Softail
1975 Honda CB750K5 needs carb work
1974 Honda CB350F2 needs tins painted (being lazy)
1972 Honda CB175K2 roller no engine
1972 Honda CB/CL350 Engines need roller
1972 Honda SL350K2 Frame for above engine
1972 Honda CB100K2 needs kicker shaft
1990 Mitsubishi MM needs engine rebuild
1984 Dodge D50 Beater DD since 1997

Offline Integra99

  • Posts: 95
Re: Project CB350F cafe brat
« Reply #36 on: Mar 08, 2018, 12:03:14 »

My mate runs the wheel shop for Talon engineering and they run Excel rims - Tyres are Avon AM26

Offline teazer

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Re: Project CB350F cafe brat
« Reply #37 on: Mar 08, 2018, 15:29:23 »
In the US, I get rims form Mike's XS.com if they have one that's a good match on spoke pattern for similar sized hubs.

Offline jpmobius

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Re: Project CB350F cafe brat
« Reply #38 on: Mar 08, 2018, 16:52:07 »
Just a thought but that's a light bike and wide tires are not a good match if you like corners.  A better combo might be say 2.15 front and 2.50 rear with a 100/80 front and 110/80 or maybe 120/80 on the rear.  That's the same as an RZ350.

For its power and weight, those are arguably one size too large and a 1.85 front rim 2.15 rear might be better for handling but they will look slimmer. That's what was on my race Cb77 and work well.

This is excellent advice.  The very wide rims you are considering and consequent tires will absolutely KILL the handling of this bike (I have a 400F for reference).  A 90/90 and 110/80 combination will work very well depending on the tire brand.  A 120/80 will be ok on the back if you want a beefier looking tire, but it's a big tire for your bike and the 110 is better in my opinion.   My 400 is a disaster with even a slightly too large front tire, and your 350 likely will be similar.  I have a 90/90 tire on a 1.85 x 18 rim on the front of mine, very noticeably better than the 100/90 previous tire which made turn in awful.  I would not fit larger than a 1.85 front rim.  Of course, you can certainly fit much larger than stock rims and tires and your bike will still be safe to drive, but you will have no chance at all of keeping up with a stock bike in the turns, so if you truly are more interested in building a good handling bike, don't go beyond one size up on the rim width and keep the tires light.  Also, if your 350 is as physically similar to the 400 as it appears, a 3.00 rear rim and tire will very likely interfere with the chain.  I have also bought many rims from Mike's XS and have been very happy with them, though a couple needed some file work to level out the bead seat across the weld.  The stainless spokes are also fine, though it can be tricky to figure out the right length as they sell model specific spoke sets and if your bike is not listed, you are on your own for fitment.
Mobius


On a long enough timeline, the survival rate for everyone drops to zero.

1973 RD350 Yamaha build  http://www.dotheton.com/forum/index.php?topic=66498.0

Offline stubsryan

  • Posts: 71
Re: Project CB350F cafe brat
« Reply #39 on: Mar 08, 2018, 19:42:43 »
This is excellent advice.  The very wide rims you are considering and consequent tires will absolutely KILL the handling of this bike (I have a 400F for reference).  A 90/90 and 110/80 combination will work very well depending on the tire brand.  A 120/80 will be ok on the back if you want a beefier looking tire, but it's a big tire for your bike and the 110 is better in my opinion.   My 400 is a disaster with even a slightly too large front tire, and your 350 likely will be similar.  I have a 90/90 tire on a 1.85 x 18 rim on the front of mine, very noticeably better than the 100/90 previous tire which made turn in awful.  I would not fit larger than a 1.85 front rim.  Of course, you can certainly fit much larger than stock rims and tires and your bike will still be safe to drive, but you will have no chance at all of keeping up with a stock bike in the turns, so if you truly are more interested in building a good handling bike, don't go beyond one size up on the rim width and keep the tires light.  Also, if your 350 is as physically similar to the 400 as it appears, a 3.00 rear rim and tire will very likely interfere with the chain.  I have also bought many rims from Mike's XS and have been very happy with them, though a couple needed some file work to level out the bead seat across the weld.  The stainless spokes are also fine, though it can be tricky to figure out the right length as they sell model specific spoke sets and if your bike is not listed, you are on your own for fitment.

Thanks for your advice. So the graph says the 90/90 tyre is best suited to 2.15x18 rim. I could do that and get better bike control. As for the rear. I could also use 2.15x18 with a 110/90 or 80 but it is 1 size below standard figment. I have also read that itís better to have a slightly bigger rim than slightly bigger tyre combination   If itís not a standard fit. Furthermore, I canít find a 2.5 rim so I decided to get a 3.0 which works out to be 1 block up from 120/90.

Would you rather 3.0 rim with a slightly smaller tyre match(120/90) OR a a 2.15 rim with a slightly larger tyre match (110/80). Truth be told, I have ordered a 2.15 and 3.0 already but I will put that on hold, depending on what you say. Also didnít want to mix rim brands so basically they are my two options in 18Ē rim sizes. Thanks


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