Work for 104 BCD moutain bike crank and all 8, 9, 10, 11, 12 chains
The new narrow-wide teeth design increases chain retention, occlusal force, and makes your transmission system achieve high efficient operation. Larger wide tooth design provides maximum ring durability and Drop-Stop performance
CNC machined 7075-T6 aluminum and anodic oxidation construction; Integrated forging processing, not easy to rust, compact and tenacious structure
Choosing Single Chainring allowing you to preserve your investment in front derailleur and others chainrings, which is weight saving and more easy for maintenance
Pakage Include: 1 * 104BCD narrow wide chainring 4 * Chain ring screws 4 * Chain ring bolts