Riser

A casual riding handlebar designed so the grips flare out a bit 22.2mm (MTB size) bars accept MTB brake levers and clamp-on shifters. They do not work with bar end shifters. The only inverse levers that work are Dia Compe levers in the 22.2mm size

A casual riding handlebar designed so the grips flare out a bit. 23.8mm (road-size) bars accept standard inverse brake levers, standard bar-end shifters, and 23.8mm city brake levers. In short, anything made for road bars fits. They do not accept MTB levers or shifters