IRD Thumbie Shifter Mount "Perch Stage 1"

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