4iiii PRECISION Power Meter Shimano Ultegra R8000 Left Crank Arm - 170mm model-stradadueteamultegradi2 Giant SLR 1 Carbon Tubeless

Giant SLR 1 Carbon Tubeless 700c Rear Wheel

BMC TimeMachine TM01 Medium Short Frameset - 2012

The RD-9150 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting

It’s incredibly stiff and tracks precisely even when you’re charging the gnarliest terrain

Cannondale SuperX Apex 1 61cm Bike - 2018

4iiii PRECISION Power Meter Shimano Ultegra R8000 Left Crank Arm - 170mm model-stradadueteamultegradi2 Giant SLR 1 Carbon TubelessUsed 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