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I was pleased, for an aluminum sprocket these are super thick and half the weight of the stock sprocket. If you replace your chain and all the sprockets they should last a good long while. Definitely great quality and finish.
I recently purchased the 525 pitch to replace the 520 that I'd had for nearly 10k miles. It still had plenty of life but a piece of semi tire chewed the last few thousand out of it. These kits are awesome. I give five stars on everything but ease of install. As for Motosport... I love you guys. I was having issues ordering online so I called. Dave helped me order what I needed and then we were talking about previous rides and scary moments we'd both had. The guys at Motorsport understand riders because they ARE riders... awesome site and people!
The only reason I don't rate this product 5 stars is because I just installed it last week, and now I am been asked to rate my purchase ...
Well it is too early to say how durable this chain and sprockets will be but the manufacturing on this items seems very high quality, the install was done by my trusted mechanic he said it was easy, he cut the chain to OEM size. Performance is good where the bike feels strong, snappy, very reactive to throtle (the old chain was loose and it could not be adjusted anymore). Good product so far ... hope this helps.
Great deal for the money
Front steel sprocket and light weight rear sprocket
Nice strong chain fast and easy to install great product
I put these items on my yellow sv650s and the first person that saw the bike after it was done stated " that black vortex sprocket is sick", so yeah its a great product seems to really be solid, easy to install (if your at all decent with a wrench) and it looks great! awesome product. one thing i will mention for the newer riders is that the chain is universal and requires grinding to fit the specific bike, so don't expect to just throw it on there!
I bought this piece for my zx10r and it made a big difference I recommend this brand to every one vortex is the best
this set was awesome went down one tooth on the front sprocket and up one on the rear and wow what a difference in acceleration and can easily pop wheelies now and they look awesome the black sprocket and gold chain looks great i didnt install them had a shop do it when they changed my wheel and all together it took them about an hour for one guy to do both things so id say they were easy to put on. def a must and a good buy if you want a good set of sprockets and chain. and it was great shipping was here when it said it was going to be great service form motosport.com
The rear black sprocket and gold chain look awesome on my GSXR-600 and added tons of torque off the line. I went down 1 tooth in the front and up 2 teeth in the back to add some torque to my bike.
NOTE: Adding teeth to the FRONT sprocket has the REVERSE effect on acceleration.
SUBTRACTING from the front sprocket is the same as ADDING to the rear. The closest ratio I can figure for a 600c (In my case, a Yamaha YZF-R6) is -1 in the front is the same as +2 to the rear.)
More teeth on rear sprocket = Faster acceleration, less top end, less fuel economy.
Less teeth on rear = Slower acceleration, higher top end, better fuel economy.
Also, your chain has a (little) bit to do with this. A 525 chain is heavier (yet more durable), thus, it has more mass for the drive to rotate. A lighter (520) chain will make it a bit easier for the bike to pop off the line, but is less durable. If you are commuting on this bike, I would recommend sticking with the stock 525 pitch. It'll last you much longer. Good luck!