Hotwheels.
Old School Grand Master
…or Suntour Accushift wishbone shifters are worth a look, £30 on eBay.
Suntour Accushift Wishbone under bar thumb shifters 3 x 7 Retro Vintage (3480) | eBay
This is a used pair of Sunntour Accushift Wishbone under bar thumb shifters from the early 1990s. The clamp of the right hand shifter has a little corrosion and the bolts are tarnished. Perfect for a retro build.
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