4iiii Precision Power Meter Shimano Ultegra R8000 Left Crank Arm 175mm brand-wittson Shimano Dura-Ace ST-9071 Di2 TT

Shimano Dura-Ace ST-9071 Di2 TT Left/Front Shifter/Brake Lever 2x11 Speed

0 and ANT+) and Wireless connection -Speed and cadence measurement

Trek Emonda SL 6 58cm H2 Bike - 2015

2mm 350mm 25mm Setback Carbon Black

Specialized Lithia Saddle 143mm Cr-Mo Rails Black

4iiii Precision Power Meter Shimano Ultegra R8000 Left Crank Arm 175mm brand-wittson Shimano Dura-Ace ST-9071 Di2 TTUsed to pace attacks up the Alpe DHuez in the Tour de France and to hammer on the Queen K during the Ironman World Championships, the PRECISION Powermeter delivers industry leading accuracy and reliability when you need it most. Through our patented 3D Strain Gauge technology, you can be assured that the data you depend on will help lead you to your own Yellow Jersey. Packaged into a durable lightweight design and compatible with ANT+ and Bluetooth