Sram AXS Blips TT Triathlon Mounts - Tri Extensions - 22.2mm - Time TrialSram AXS Blips TT Mounts Tri Extensions 22. 2mm Time Trial Triathlon Easily mount your Sram AXS Blips to TT or Triathlon extensions with 22. 2mm External diameter (most common size). Includes a pair of mounts with fixing hardware so you just need to add Sram Blips and you are ready to go! Includes 2 x Blip Extension Mounts 2 x M5 Stainless Steel fasteners 2 x M5 Nyloc Stainless Steel nuts Sram Blips NOT included No tape, glue or O rings to secure the