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The KAWASAKI Z Series and SUZUKI Sword are now the center of activity and has gained a record in the grass race highest category, such as Live taste of Tsukuba, Moto Revolution and SUZUKA FUN & RUN.
These race categories show excitement with each passing year, and converting to 520 size for both sprocket & chain now is an indispensable item to rise to the podium.
At SUNSTAR, the offset drive for 520chain conversion, which was supplied only to some race teams, was reviewed from development, and released generally as a strong and rigid forged offset series.

1.[Forged] The strong wear resistance and rigidity create "Safe and Secure".
It requires much higher production costs and special equipment compared to the usual drive sprocket. In SUNSTAR, it is compared with strict internal standards, and those exceeding a certain standard are released as forged materials regardless of the displacement. This is because it has been planned to supply stable riding to vehicles near 200kg, and thinking about the safety of riders.

2.[Weight Saving] It is lightweight and there are surplus benefits!
The material of chain/performance has dramatically improved and there is no advantage to using a heavy chain especially on a circuit fighting for 1-second. The weight reduction of the suspension creates the greatest advantage on the circuit.

3.[Best Quality&Low Price] It is very reasonable for SUNSTAR'S offset series!
No matter how high the quality/addition function is, the race cannot survive at too high a cost.It is the forging offset series of SUNSTAR boasting the highest quality effectively utilizing its production facilities/systems, and it achieves a very affordable price.

Sprocket Course - Fundamentals - That is the secret to keep ridiculous motorcycle maintenance longer! SUNSTAR [Webike TV]↓