About AVID by SRAM Elixir Bicycle Brake Lever Internals-1pcs for the following models based on variants - 

• Elixir 5 from 2013 / VIA GT A2 
• X0 Trail A2
• DB1/DB3

This service kit is suited for one brake lever of Avid models listed above.

Specifications

• Manufacturer: Avid by SRAM