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Left Side Power Meter Kit
Power Meter Upgrade Kit for Consumer Supplied Left Crank Arms
- Now Compatible with ULTEGRA R8000!
- Compatible with DURA-ACE R9100, 9000, ULTEGRA R8000, 6800, 105 (FC-5800), XTR Trail (FC-M9020), XT (FC-M8000), Cannondale Hollowgram Si and SiSL2, Campagnolo Potenza 11 speed
- No new crank arm investment needed
- Ship existing left crank arm to Pioneer for factory installation and calibration
- Pre-paid return shipment