Avid Elixir - DB - Level Disc Brake Pads - Steel - Sintered - Metallic YGroup_7033467207725 They are all expandable with

They are all expandable with several straps to mount to the top tube

2mm diameter

Tech Specs:

you'll mangle the end of your hose and make installation a nightmare

Avid Elixir - DB - Level Disc Brake Pads - Steel - Sintered - Metallic YGroup_7033467207725 They are all expandable withGenuine Avid SRAM brake pads to suit any: Elixir Series (except Trail), DB Series or Level series (except Level TLM and Ultimate) Available in 3 versions: Sintered Metallic with Steel Backing Choose the sintered pads for longer pad life, better wet weather performance, and a firmer lever feel . They can make a bit more noise though. Organic Resin with Steel Backing Choose the organic resin pads for a softer lever feel and quieter operation Organic