Ek Chain & Front / Rear 520 Conversion Kit Sprocket Drive Set Sv650s Sv 650s on 2040-parts.com

Regardless of the ratio you pick your not going to get short changed with only getting a smaller front sprocket or a chain that isn't rated properly for your application, or a chain that isn't cut to the proper length for the sprockets, etc.  You can be assured your getting the correct parts for how you ride your bike by someone who does this for a living.  Over half of our business comes from referrals.  And if we didn't know what we're doing on the street, track, and stunt competitions, we wouldn't have the reputation we do. 

If you're looking for a 'Street Stunt' or 'Pro Stunt' setup check our other auctions or call us to see if we have one for your bike.

If you need to get set up for the track, give me a call or email.

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I've come up with my ratios I use by working with professional stunt riders for the past 10 years, and from my own national roadracing experience for the last 18 years.  And the reason you won't see too many specifics about tooth sizes any longer is because there are several people trying to copy and imitate what I've been doing.  And when you do purchase something from me and need help after the sale- your going to get it.  This experience along with superior, application specific products is what your paying for here.

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If you've heard of 'conversion kits' or 'acceleration kits' before- it is for good reason. Most street bikes were, and still are, originally equipped with 530 size chain and sprockets from the factory. This is mainly because it has been the norm for many years and it is cheaper and easier for them to do everything in one size. Recent exceptions are certain newer mid-sized (600-750cc) sport bikes which now come with a new 525 size. And the new Kawasaki race replicas now come with 520 from the factory because of the obvious benefits!

This auction is the real deal. We only use the very best quality performance parts- No haphazard thrown together, old, outdated, second hand stuff here. This auction is for those who want to the best and expect the best out of their machine.  Don't let someone selling other general bike parts lead you to believe they know what they're talking about.

The lighter sprockets and chain will give you less unsprung weight(rotating mass) which will improve the braking and handling of the bike as well as increase your hp output at the rear wheel and your acceleration. When combined with a shorter gear ratio combo it will give you a lot more pulling power for a quicker launch and easier wheelies, if desired. And the most useful benefit that everyone will appreciate is faster roll-ons in every gear, at every speed.

By converting to a 520 kit the average bike will see about a 5% increase in rear-wheel horsepower.  So, 5-7 hp is very typical on a 600 just from bolting on the kit.  Not a bad hp per dollar ratio there.  Especially since you have to eventually replace these parts anyway.

For all riders, regardless of whether your interested in this auction-  To avoid an accident and/or damage to your motor, or worse, you should regularly maintain and inspect your drive components.  Its often an overlooked and neglected part of a bike.    To check the condition of your chain, first adjust the tension properly.  With the bike held straight up and down you should have about 3 times the height of the chain top to bottom, measured below the swingarm.  (This is particularly important if you are doing wheelies or carry a passenger because if you don't have enough slack in your chain it will be seriously stretched when your suspension fully compresses.  And NO chain is designed to withstand this stress.)  Also check the wear by pulling on the chain on the very backside of the sprocket.  If you can pull the chain away from the sprocket more than 1/16"(2mm) then you should consider replacing everything.   Also, raise your rear wheel off the ground, spin the wheel and listen for excessive noise, check for kinks, and check for loose or tight spots in the tension at multiple places around the chain.  Also inspect your sprocket(s) for excessive wear or damaged teeth.  If you find ANY of the above - REPLACE the chain.  If you don't replace it soon- you can expect to have more serious issues to deal with in the near future.

If you have any unanswered questions regarding the use or reasons behind switching to the 520 setup, please email me. I don't mind any question you might think dumb, and I return every email as promptly as I can.  Or you can also call our TECH LINE 814-489-3379. (If I don't get back to you the same day you email me on a weekend day, I am probably at the track. If the auction is ending during that weekend, and you need to get in touch with me urgently, feel free to try me via my cell at 484-951-3128.  And if you email me and don't hear back from me within 24 hours, there may be something wrong with one of our emails - so in this case- call me.)