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Box Two Brake Post Extenders

Box Two Brake Post Extenders are the perfect solution for those riders in need of extra brake pad adjustment without switching frame sizes. CNC-machined from 6061-T6 aluminum, Box Two Brake Post Extenders easily mount to any frame’s existing cantilever brake bosses and provide an additional 16 mm of brake arm positioning. Typically, they are most useful when a rider transitions from one wheel size to the next (i.e. 451 to 406). Depending on your application, they can be mounted in either one of two positions -- above the frame's v-brake mounts, or below.  

If you are unsure whether you need this part then please give us a call (0117 307 9096)

  • Extends brake position lower and higher
  • 6061-T6 Aluminium
  • M10 X 1.24
  • Weight: 32g