The shimano st5800 11 speed sti double road levers shifter slim ergonomically designed 11 speed 105 dual control levers with the brake lever pivots positioned to increase power and improve ergonomics when riding on the hoods shimano st5800 11 speed sti double road levers shifter features ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes brake lever pivots have been positioned to increase power and improv