Magene PES P505 Base Power Meter For Shimano

Exploring more efficient power transmission has never been easier. The QED P505 power meter provides a more accurate and advanced algorithm with ±1% power accuracy, to keep riders’ rhythm in control during training and competition. Professional-grade stiffness and smooth shifting performance bring riders an extremely comfortable riding experience, helping riders accelerate faster and enjoy the passion brought by riding acceleration.
 
Accurate and Reliable Data Measurement
QED P505 power meter features a top-class strain gauge supplier, optimized gauge bonding method and position, and all strain gauges are taken through a stress release process. The strain gauge curve is coupled with the acceleration sensor curve, magnet induction is not needed for cadence measurement. Even when riders are riding on bumpy cobblestone roads, the cadence data is still accurate. 
 
Super Easy Calibration Operation
Auto-calibration: Smart auto-calibration without any operation.
Backpedal calibration: Backpedal 5 cycles to complete calibration.
Manual calibration: Support APP calibration and bike computer zero calibration.
 
110BCD Configuration
The product adopts the widely popular 110BCD four-bolt specification in the market, which reduces weight and has more comprehensive compatibility.
 
Precision CNC, Integrated Molding
QED P505 power meter's crank is made of ultralight7075 aircraft-grade aluminum, wihich adopts II-GEN hollow crank technology to strengthen the structure. The crank is integrally molded by applying precise CNC and deep-hole drilling techniques. In comparison with other brand products under the same weight, the vertical stiffness of the QED crank is 12% stronger.