Paul's Mountain Thumbies are mounts that let you install down tube or bar end shifters on the center flats of your handlebar, effectively turning them into thumb shifters. And, like all Paul components, they're made of 100% CNC-machined aluminum in his California workshop.
|Option||Manufacturer's Part Number|
|Black / Campagnolo||230BLACK|
|Black / SRAM||240BLACK|
|Black / Shimano||250BLACK|
|Silver / Campagnolo||230SILVER|
|Silver / SRAM||240SILVER|
|Silver / Shimano||250SILVER|