The Shimano Ultegra ST-R8050 Di2 2x11 Speed Dual Control Left Shifter is a premium bike component designed for road bikes. Made from durable aluminium and featuring a sleek black colour, this set includes a single left shifter with 11 speeds. Manufactured in Japan by Shimano. Bought new and used right shifter on my bike for repair. Left shifter is new and comes with cabling and instructions.