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danebronzyk

Chain and Sprocket

15 posts in this topic

Hi everyone from the UP of Michigan!!! I have a 04 wr450f and I was wondering what preferences you have on chains and sprockets! Steel or aluminum, sizes and what not. I know stock is a 520 chain and the length is 114, and the front sprocket is 14 tooth and the back is 50 tooth. Brand preferences or didn't sizes for trail riding! Thanks!!

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Steel will last a lot longer than aluminum sprockets but aluminum is lighter.

I personally like DID vx2 or DID ert2 are both great chains. I run it with a talon aluminum sprocket it has held up great so far. I have heard the iron man sprockets are great too.

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I'm a big fan of steel sprockets.  I had an aluminum sprocket for a bit, and it seemed to wear extremely fast, probably only 30% of the lifespan of a steel sprocket.  I don't know if it was due to all the sand in Michigan, or just the way I ride (I tend to run low RPMs and torque through things) but I went back to steel.

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Thanks for starting the thread, I am in the process of researching the same thing for mine as well. 

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Does everyone use an O-ring 520?

 

So long as you dont mind buying a new one every couple months, I'd bet a non-O Ring 520 would sap less power from the engine

 

Has anyone tries non- O Ring and seen a worthwhile power increase?

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I've had good results with JT sprockets on other bikes they are made from 7075 T6 aluminum. They are the next up to steel which is stronger. i am currently using a Supersprox aluminum inner and steel teeth outer. Which is a great sprocket but cost a bit of dough.

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Does everyone use an O-ring 520?

 

So long as you dont mind buying a new one every couple months, I'd bet a non-O Ring 520 would sap less power from the engine

 

Has anyone tries non- O Ring and seen a worthwhile power increase?

 

X rings do not rob much power. If you had a road race bike I could see using a non o-ring chain.

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Main thing I have been reading about using non sealed chains is that they require constant adjustment and cleaning/relubing. 

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