Material：Made From 7075AL T6
Fully Rolling & Milling Machined
Teeth Available：10T or 11T
Bearing：Sealed or Ceramic Bearing
Colors Options：Black, Red, Gold, Blue, Silver & Green.
Anodized.
Weight：9.20 g / pc
Standard Packaging：2 Pcs
Compatibility for 10 speed Shimano, and Campagnolo Bikes without an adapter shim for screw install
Compatibility for 10 speed SRAM with an adapter shim for screw install