Compatibility for SRAM X0/X1 11 Speed MTB.
Also can fit to Shimano 9/10/11 Speed Road/Mountain Bikes.
Material：Made from AL 7075 T6
Teeth Type：12 Teeth，Narrow-Wide Teeth Designed
Bearing：Sealed Bearing
Colors Options：Black, Red, Gold, Blue, Silver & Green. Anodized.
Weight：11g / pc
Standard Packages：2 Pcs