Shimano Ultegra Di2 Rim Brake ST-R8150-L/ST-R8150-R Dual Control Lever, 2x12-Speed Category_Valves By pairing a customized linear

By pairing a customized linear rate high tension spring and a dual stage activation mechanism

the integrated out-front mount creates a cohesive system of the ELEMNT ROAM unit and mount for a sleek look and smooth riding

But because the liner runs the full length of the cable

With converter to work with tapered or non-tapered fork steerer tubes

Drag-reducing tube shapes and sleek integration keeps the CAAD13 light but make it much

Shimano Ultegra Di2 Rim Brake ST-R8150-L/ST-R8150-R Dual Control Lever, 2x12-Speed Category_Valves By pairing a customized linearSHIMANO ULTEGRA Di2 Rim Brake DUAL CONTROL LEVER 2x12 speed ST R8150 R ST R8150 L SHIMANO ULTEGRA Di2 Rim Brake DUAL CONTROL LEVER 2x12 speed FEATURES Quick and intuitive shifting Clearly defined click feeling with ergonomic shift lever Better bike control and confidence in race conditions Hood shape and texture optimize grip and brake power transmission PRODUCT SPECIFICATIONS MODEL NO ST R8150 R ST R8150 L SERIES ULTEGRA R8100 Series Average weight