The Thumbies from Paul Components are designed to mount traditional Barcon (or bar-end) shifters to the tops of your handlebars. They clamp on to the handlebars where the shifters would normally go. Install your bar-end shifters on to the Thumbies, and you can shift easily from the handlebar, instead of having to reach down to the downtube or handlebar drop.
The Paul Mountain Thumbies have a 22.2mm clamp to fit nearly all mountain bars. These thumbies are designed to be used with Shimano 8, 9, and 10 speed bar end shifters, but will also work with Shimano Downtube shifters. Install them on to the bar to create a retro build, use as an alternative to grip or trigger mountain shifters, or simply to use your bar end shifters in a more practical application.
The Paul Thumbies only include the mounts and mounting hardware. No shifters, cables, or housing is included.
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