Teeth Size: 30T, Chain Size: Standard 1/2" X 1/8", Shaped: Round,Fit for various kinds of bike crank which BCD is 104mm.
Material: Constructed from durable 7075 aluminum alloy for lightweight and superior strength.
Precision Manufacturing: CNC-cut and anodized for exceptional durability and longevity.
Secure Chain Engagement: Narrow-wide tooth design ensures strong grip, minimizing chain drops.
Wide Compatibility: Compatible with 8/9/10/11/12-speed systems for versatile use.