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Discussion Starter · #1 ·
I am having a hard time finding aftermarket drive chains. I thought somebody did a 520 conversion a while back, but can't find it in the searches I have done. Does the 1050 use the same sprockets as an '04 S3 955? Anybody know how many links are in the stock chain? Best place to buy?
 

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I am working with PJ's Parts on chain and sprocket options in 530 size aluminum. I will post what PJ comes up with.

Afam and Sprocket Specialists both make 520 conversions, and have standard 530 size parts as well. I am sure there are a few others as well.

The stock chain is 106 links (corrected).
 
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I got mine through cycle gear. mines are Afam sprockets. rear part # 87602-43. the last 2 numbers denote the sprocket size (mines a 43) The front # I can't remember but it comes in a 2 sprocket kit for a 520 conversion. Cycle gear carries the chains in stock. stock lenght is 106 links, I had to borrow a tool to shorten the chain and re-link it. The pre 05 sprockets are different.
 

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Discussion Starter · #4 ·
Thank you guys for the good info. Believe it or not, Dev responded first, thus winning me a $20 bet with my roommate! Let us know what you find out from PJ's, maybe add this to the superthread. I am eating steak tonight! Thanks Dev for the fast response!...
 

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This is good info - I'm definitely switching to 520 when the time comes. There's really no good reason to have that big a chain on this bike, except longevity of the sprockets themselves, and that's debateable depending on climate, riding style, maintenance habits, etc - I see no reason why an O- or X-ring 520 chained drivetrain wouldn't last just as long...I bet it makes a big difference in acceleration.
 

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Discussion Starter · #6 ·
I cant find ANYTHING. Even looked on the sites for the two makers Devi mentioned (AFAM and Sprocket Specialists). Ran the part # Limey gave and still nothing.

:wtf: ???
 

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Discussion Starter · #9 ·
Thank you Limey. Problem solved! All I needed was somebody to hold my hand, and tell me its gonna be okay...and $200.
 

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I have a black rear sprocket that I ordered form Vortex using the same web page that Limey posted.
It is not the correct sprocket.
I called them thinking it was a packaging mistake and I was told that the sprockets listed under 05 Speed Triple do not fit a single sided swing arm model ???
I asked for the correct part number and was told they have nothing available..

lowgloss
 

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OK
I am sure this is posted elsewhere but I could never get a part number and a location to buy 520 sprockets from.
So this is what I did.

I called Sidewinder Sprockets and manged to get sprockets ordered.
They ended up arriving loosley packed in a padded envelope.
Steel front sprocket had not been ground to size (thinned down to a 520) so I had to send it back. Part number was 1180 - 18 t. I paid $69.99.
"Billet" aluminium rear sprocket was hard anodized silver (a most disturbing colour) and was just a standard rear sprocket not the fancy sprockets that side winder are known for. I paid $109.00 for it.
So I packed up the front sprocket to send it back and at that point went mental and decided that I didn't want to wait for another company to fix their F'up so I ordered them again from Drive Systems USA. www.drivesystemsusa.com. I decided that I would call them and I ended up ordering part numbers...
Front Sprocket 88801-18 paid $ 38.95
Rear sprocket 87602 H43 paid $ 69.95 and the bloody thing is hard anodized black.
Both were AFAM parts
Both were in stock and I ordered them Thursday afternoon and they arrived today and are already fitted..
So screw Vortex who have the most misleading website and the least helpfull customer service. (Sent me the first wrong sprocket).
And I am done with Sidewinder another $200 F-up I made and the second wrong sprocket.
But a big thankyou to Drive Systems USA.
 

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Lowgloss - good link. I surprised Sidewinder did you dirt. I only dealt with them once but the chain & sprocket set I got from them lasted for years on my CR500R which chew up and spit out most chains & sprockets.

So what 520 chain are people using?
 

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How much lighter is this 520 conversion with the alloy sprockets vs. the stock sprockets? Are you going to notice a difference if you stay with the same number of teeth?
 

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I just spent an hour or so at the local dealer, they've built a pretty nice Triple, mostly just bolt ons, but added some wheels and really nice stuff to it.  The Parts manager is a S3 freak (funny that they never have any parts in stock)  He planned to do the 520 conversion to the demo bike and had some 43T sprockets in stock.  My concern was the chain strength.  I was TOLD (i've gotten conflicting stories from these people in the past)  that most 520 chains these days are just as strong as the 530's, doesn't make sense to me but they're strong enough for speedy.  This guy said he didn't notice a difference,  but anytime you reduce rotating mass it'll make a difference.    I'm ready for a new chain and hope to do it this coming winter, i'll probably try the 520 conversion.

I know Limey did it... he'll pitch in with some type of sarcastic response... :fingure:
 
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Mine seems to be lasting fine. I have an alloy 43t on the rear also. Didn't notice that much diff in the weight. I reduce rotating mass by keeping it on one wheel. :d:
 

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Just over 10 mins, what'd I tell ya!



Hey Limey, if you were to do it again would stay with the 43t or go 44?
 
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