Dual Steel Ring Sprocket Black 50T For Yamaha

【G2 Ergonomics 80-50-Yam-bk-50 Dual Steel Ring Sprocket Black 50T for Yamaha by BONSIA MOTO】
We bring you the results of four years of development with GNCC factory racers.
While there are many choices for rear sprockets, G2 offers an advanced hybrid sprocket made of aluminum for the inner part and steel for the outer part.
To maximize the bond between the materials, they are layered and riveted using a unique patented manufacturing process. The result is a strong yet lightweight product.
Features
More durable than aluminum, lighter than steel
7075 aluminum inner and C49 (JIS) high carbon steel outer
Aluminum and steel fastened together for unparalleled strength
No mud grooves or other processing to maintain the strength of the outer ring
Steel outer ring is uniquely heat-treated to maintain durability
Compatible models
YAMAHA
・YZ125(X)/250(X) (99-18)
・YZ250/450FX (15-18)
・YZ250/400/426/450F (99-18)
・WR250R/X (08-18)
・WR400/426/450F (99-18)
・TTR230 (05-18)
*All models are for US specifications
Specifications
Color: Black
Tooth Count: 50
Notes
*Color can only be selected for the aluminum inner part. The steel outer part is only available in black.
*Images are for illustration purposes only, and the design and specifications of the products shown may change without prior notice. Thank you for your understanding.