SHIMANO ULTEGRA Dual-Sided Power Meter HOLLOWTECH II Road Crankset 2x12-speed | SHIMANO BIKE-EU
Up close: Shimano Dura-Ace R9100 dual-sided power meter crankset, with actual weights - Bikerumor
Shimano Ultegra R8000 Power Crankset Xcadey X-power Meter 165mm 170mm 172.5mm Left Right Crank Gps Support Ant Bluetooth - Bicycle Crank & Chainwheel - AliExpress
Pioneer Shimano Ultegra 8000 Dual-Leg Power Meter / SGX-CA500 Kit | R&A Cycles