Thumbie shifter mounts allow you to mount downtube and stem shifters to your handlebars. Thumbies place your shifters within easy reach and avoid the complexity of brifters. This provides a comfortable setup for city bikes, MTBs, porters. They can even be used on drop bars. They fit standard road, MTB and city handlebars (22.2mm and 23.8mm grip range). VO shifter mounts have a hinged mount, so
