SHIMANO Ultegra ST-6700 Left and Right Dual Control Levers Unidirectional carbon brake levers reduce weight while allowing better access from the upper side for greater control Shift cables underneath the handlebar tape use a new internal mechanism and PTFE coated inner cables to provide a sleeker look, a smoother feel and lighter handling 20% shorter stroke on the right side of the shift lever delivers faster and smoother shifting Reach adjust mechanism accommodates smaller hands and a wide assortment of bar ends Smooth bracket design is ergonomically shaped for comfort -- perfect for long distance riding