525 Chain & sprockets for 919 - Wrist Twisters
 
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post #1 of 15 Old 11-28-2009, 01:35 PM Thread Starter
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525 Chain & sprockets for 919

Thought I'd try and replace the 530 with 525 hardware, but my dealer can't seem to find any sprockets that will fit. Does anyone out there know where I can get them or is this fool's errand? Thanks guys.

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post #2 of 15 Old 11-28-2009, 03:24 PM
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Looks like 520 and 530 stuff is all that's available, here's a link to the best products and cheapest prices. They have sales every few months to do a full conversion to 520 for like $200. Sign up for there emails and they'll send ya the discounts.

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post #3 of 15 Old 11-28-2009, 03:24 PM
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Quote:
Originally Posted by rabbott View Post
Thought I'd try and replace the 530 with 525 hardware, but my dealer can't seem to find any sprockets that will fit. Does anyone out there know where I can get them or is this fool's errand? Thanks guys.
I went with 520 chain. I can't remember where I got it but they can be found all over the net.

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post #4 of 15 Old 11-29-2009, 02:23 AM
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What's the advantage of converting to a 520?

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post #5 of 15 Old 11-29-2009, 05:44 AM
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I went with 520 also about 2 years ago. Not a problem at all. 520 sprockets and chain make for a lot less weight for the motor to spin. Plus I think it is cheaper in the long run.

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post #6 of 15 Old 11-29-2009, 08:51 AM
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doesn't the 520 wear ALOT faster, cause its less material?

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post #7 of 15 Old 11-29-2009, 09:30 AM
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If you get a strong 520 chain it is stronger than the OEM 530 chain.

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post #8 of 15 Old 11-29-2009, 09:43 AM
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Quote:
Originally Posted by AllanB View Post
What's the advantage of converting to a 520?
to us mortals , nothing, other than a little some thing to talk about. racers use it to shave a few oz of weight and get a little bit more accelration .

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post #9 of 15 Old 11-29-2009, 10:48 AM
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post #10 of 15 Old 11-29-2009, 01:21 PM
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The 520 is a little less unsprung weight around 1.5 - 2 #. Let the suspension work with less restriction and slightly quicker acceleration. Take a look at the Tri Metal rear sprockets they are supposed to last alot longer than aluminum. Oh yeah stay away from Vortex I have seen a few broken teeth on those sprockets and wear fast.

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post #11 of 15 Old 11-29-2009, 01:43 PM
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in thinking the stock chain provides a smoother ride

dont need a bike to ride the fast lane
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post #12 of 15 Old 11-29-2009, 02:57 PM
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Quote:
Originally Posted by AllanB View Post
What's the advantage of converting to a 520?
The overall effect is to decrease the unsprung weight of the rear wheel by the amount of the (usually) aluminum 520 rear sprocket and the lighter chain run on the sprocket. This improves rear suspension compliance, that is as long as the rear shock is properly set up.

Of course there is also a decrease in the gross weight, but that is of little consequence to performance. The precept that it fosters faster acceleration is only valid when the rear wheel is off the ground -- otherwise the effect is masked by the weight of the motorcycle being pushed forward under acceleration. The reason it is an advantage on the track is the rear wheel tends to stay in contact with the asphalt a little better during corner exits, resulting in a better drive out of corners. This only applies when sliding the rear at or near the optimum 10% slip, something I cannot recommend on the street.

In other words on the street it has little effect on performance. What it boils down to is dollars and the nebulous "trick factor".

Rob

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post #13 of 15 Old 11-29-2009, 03:08 PM
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Not to mention the 15-20 horsepower gain due to less friction.

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post #14 of 15 Old 11-30-2009, 09:16 AM Thread Starter
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Thanks for all for your comments and advice. Any comments about going the 520 route and going down to a 15t on the front, seems like the engine would have more torque at any speed thereby increasing "strain" on the sprocket. Or is my logic just faulty?

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post #15 of 15 Old 11-30-2009, 12:10 PM
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less strain..15 tooth is fun for a very short time them you realize your motor is running at a higher rpm all the time at a slower mph..whats the point of that..ever wonder why people have 15s to sell...because they been there did that and realized its not the way to go..unless 0 to 30 mph is important

dont need a bike to ride the fast lane
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