Bsb swingarm - Kawasaki ZX-10R.net
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post #1 of 17 Old 01-08-2017, 12:03 PM Thread Starter
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Bsb swingarm

I was wondering if anyone knows much about the underslung swing arms fitted to race zx10rs such as bsb and world superbike.
What is the advantages of them and are they longer or more rigid?
Reason being i think they look great and i was contemplating making one for my bike as im an engineer.
Thanks
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post #2 of 17 Old 01-08-2017, 12:25 PM
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I'v been reeding about that short time ago. These swingarms aren't much stiffer than the stock ones. Don't get me wrong: It doesn't depend if it is underslung or not!

On most streetbikes we don't have them because of the exhaust.
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post #3 of 17 Old 01-08-2017, 12:44 PM
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Quote:
Originally Posted by ukzx10r View Post
I was wondering if anyone knows much about the underslung swing arms fitted to race zx10rs such as bsb and world superbike.
What is the advantages of them and are they longer or more rigid?
Reason being i think they look great and i was contemplating making one for my bike as im an engineer.
Thanks
If you could get the measurements for a pattern to copy one that would probably answer your questions, i think the polished ally look is what makes em look smart as -ock

192MPH stock engined 2008
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post #4 of 17 Old 01-08-2017, 01:29 PM Thread Starter
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If you could get the measurements for a pattern to copy one that would probably answer your questions, i think the polished ally look is what makes em look smart as -ock
I think the alloy looks good but i think its more to do with the shape of the underslung style.
Like motogp bikes.
It totally changes the look of the bike.
Ive never really been that struck on the stock swingarm shape.
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post #5 of 17 Old 01-08-2017, 02:06 PM
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Could have something to do with keeping the weight down low as in below the axle!I have often looked at pricing and there around $4500 and up!Webike in Japan has 1 and claim it's a direct swap with all oem running gear(gen4)so I guessed the swing arm length was the same for that one!I would like to no all facts about them to
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post #6 of 17 Old 01-08-2017, 02:26 PM Thread Starter
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I can get hold of all alloy. Plus i have access to cnc machines. Lathes and welding.
I just need to know lengths and if anything specific is required
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post #7 of 17 Old 01-08-2017, 02:30 PM Thread Starter
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Plus ive just noticed that this swingarm would allow very easy access to replace the shock and linkage compared to standard setup
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post #8 of 17 Old 01-08-2017, 04:20 PM
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Swingarm

Here's the one from Webike Japan I mentioned but on how you would get detailed specs is a million dollar question!I don't think any a/m BSB,WSBK or the Japs would give anyone those numbers!its hard enough just trying to find 1 on the web let alone get a detailed diagram!maybe when JRea and TSykes roll into Phillip Island shortly for the first WSBK race I could put up a post on Facebook offering a ounce of ice to any one willing to lift either bike so we can copy their swingarm could be a better option!just a thought......
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post #9 of 17 Old 01-08-2017, 04:22 PM
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If you flip that swingarm upside down you have a gen4-5 oem swingarm
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post #10 of 17 Old 01-08-2017, 04:39 PM
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there you go you have the oem specs just engineer yours so the swingarm is the exact measurements but flipped!you have the gear to use quality aluminium not cast and bam!one very trick ZX10R!it could make the bike a pig to ride but wouldn't it look the goods
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