My 3rd Sunstar sprocket. Stock 525 chain has 15 42 tooth gearing. Not happy with power delivery so tried 520 chain with15 43. Still needed a bit more in 3rd, so I installed 15 44. Now where talking. That is the stock gearing on its Z900 brother. I also installed the Z900 complete motor into my Z900RS with high compression heag gasket. With 130bhp and 44 tooth rear sprocket It is an absolutely wicked retro now :)
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98.27 USD (14,971 JPY) 105.02 USD Save 6%
Delivery Information
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FITMENT
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YZF-R6
03-21
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XSR900
16-21
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YZF-R1
98-14
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TRACER900
19-21
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YAMAHA
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GSX-R1000 R
17-21
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GSX-R600
10-20
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GSX-R1000
09-21
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GSX-S1000 F
15-21
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SUZUKI
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Ninja250SL
15-17
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Z250
13-21
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GPZ600R
85-88
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Ninja250R
08-12
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KAWASAKI
Product detail
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Sprocket use Rear
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Applicable chain size 520
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Sprocket material steel
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Number of rear sprocket teeth 43
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Sprocket color black
Chain size: Settings for 520 conversion
**The stock size chain cannot be used on vehicles that are set up for conversion, and must be converted to the correct chain size.
*The color and shape of the delivered product may differ from the picture.
*If you change the number of sprockets from the stock, it may not be able to be installed on some models.
*Durability is for reference only.It depends on your riding style, chain size and maintenance condition.
*Offset figures are for sprockets only.
*The actual offset of the chainline from the stock value will vary from model to model.Please note that if the stock sprocket has an offset, that value will be subtracted.(It depends on each model)
*Not all of the available tooth numbers can be installed without interference to the vehicle body.Please confirm the installation of each vehicle body according to the number of teeth by yourself.
*There may be changes in product specifications due to the manufacturer's reasons..
* The image is only for reference. The image shown may differ from the actual product.
Next Generation Racing Steel" realizes weight reduction and ultra durability of the entire suspension.
Exclusive for super sports models
520 Converted Lightweight / Super Durable Steel Sprocket
The power of the latest supersports is in excess of 200 horsepower, making it a very tough environment for sprockets and chains.
This is not only because of the high power, but also because the traction control system (part of the electronic control system), which automatically controls the vehicle's ability to follow the road and run efficiently, keeps the chain and sprockets under a constant and high variable load.
The lightweight aluminum sprocket, which has absolute superiority on the circuit, has become one of the concerns in terms of durability and frequency of replacement in long endurance races.
Sunstar's development team has conducted numerous tests and collected data for top teams in Japan and overseas, such as Yoshimura Suzuki MOTUL Racing and MUSASHI RT HARC-PRO, and has solved problems that occur in harsh environments.
And now, this product is released to the public as Racing Steel Series.
All production is done at Sunstar's Shiga plant, and the roundness accuracy and hardening treatment, which greatly affect durability, can be used with confidence.
The sprocket wear is greatly reduced by the racing steel, which reduces the overall weight of the suspension and increases the durability of the chain.
Not only teams competing in championship races, but also users who enjoy circuit driving can easily experience the "next-generation 520 conversion tune".
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.