Once you select the option, estimate delivery time will be displayed.
*Shipping date and Estimate time of arrival are not guarantee.
Once your orders are placed, we will check the stock of manufacturer and send you the confirmed Shipping time via e-mail.
*There may be changes in product specifications due to manufacturer's reasons. *The image may differ from the actual product. *The fitment of the sprocket does not guarantee the fitment of other than the same size (number of teeth and chain size) as the stock sprocket. *When changing the number of sprocket teeth or chain size, be careful not to interfere with the surrounding parts. *Durability is for reference only.It depends on your riding style, chain size and maintenance condition. *The images may include other types and colorings.
Sprocket Course - Basics - Frequent maintenance is the secret to riding your bike for a long time!SUNSTAR
Sprocket Course - Application - Change the number of teeth to make your bike life even more fun!SUNSTAR
* The image is only for reference. The image shown may differ from the actual product.
[Proud and noble finish REAR ALUMINIUM]
■Feature 1: Long life of the drivetrain system brought about by high precision Because sprockets require roundness due to their characteristics, Sunstar processes the inner diameter, pattern hole, mounting hole, and teeth in this order. This process makes it as close to a perfect circle as possible. (See how to build a sprocket) As a result, the high-precision sprockets minimize not only the wear of the sprockets, but also the wear of the chain.
■Feature 2: Aluminum Reason and Made in JAPAN The highest strength aluminum alloy "Super Duralumin (A7075-T6)" is used. The weight is about 1/3 of the weight of stock iron. The sprocket that rotates at high speed should be as light as possible to reduce friction loss, and as a result, fuel consumption and acceleration will be improved. All of the materials are made in Japan, and all of the production processes are done in Japan. Sunstar is a purely Japanese product.
■Feature 3: Meticulous surface treatment and luxurious color Sunstar uses "hard anodizing" to increase the durability of the sprocket. It is about 1.5 times more durable than general anodized aluminum, which is only used to prevent corrosion (Sunstar comparison, average value). It also prevents the color from fading due to ultraviolet rays. The natural champagne gold color of the hard anodized aluminum also gives it a chic and luxurious finish.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
I chose SUNSTAR after Chain replacement work of CBR 250 RR. The difference between the other companies' products is precision! Because other companies have slightly out-of-round circles, only loads not required for the car body are applied. I think that you should choose SUNSTAR if you want to replace it.
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