Record 12x U-S Ergo LeversThe new mechanical Ergopower Record 12x2 Speed Rim Brake controls: aesthetically pleasing and functional. The new carbon unidirectional levers lend the Record Rim Brake controls an air of power, stiffness and reliability. These new controls allow riders to select two different lever handlebar positions spaced to adapt to the size of the hand, whilst keeping braking efficiency constant. This is accomplished through the new angle of the up shifting