IRD Thumbie Shifter Mount "Perch Stage 1"

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Available in store: Check availability

Available in store

Two types of thumbie mounts for most modern downtube shifters
Out of stock

These simple adapters let you use downtube shifters on your handlebars, like classic thumbies. Use them with indexed or friction shifters.

  • Microshift model fits Microshift levers
  • Shimano model fits Shimano, as well Dia-Compe, Rivendell, and any other shifter using Shimano bar-end or downtube-style mounting
  • Mounts to bars with 24.0mm or 22.2mm grip area
  • Lightweight CNC-machined aluminum
  • Probably won't fit old French or Campy levers, sorry
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