Another Epic FAIL // Shimano's "Improved Accuracy" Power Meter Update 🤦🏻‍♂️

Shimano has recently unveiled firmware version 4.2.0 for their 12-speed power meters (R9200-P/R8100-P), boasting "improved accuracy". Addressing accuracy concerns has been a long-standing necessity for Shimano's meters across various iterations. The key question now is: how does this new firmware operate, and does it successfully tackle the persistent issues that have haunted Shimano in the past? Let's dive into the data and find out!
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Links:
Firmware Update to Improve the Power Meter Accuracy (Shimano Official): bit.ly/49lRWRX
GPLama Shimano R9200-P Review: • Shimano Dura-Ace R9200...
GPLama Stages R9200 Dual Review: • Stages Dura-Ace R9200 ...
GPLama Stages R8100 Dual Review: • Stages Ultegra R8100 D...
Keith Wakeham Shimano Meter Analysis Video: • Biggest industry blund...
GPLama Shimano Power Meter Report (2019): bit.ly/3Ct5sS4
Shimano R8100-P Technical Specifications:
● Shimano Hollowtech II Crankset.
● Type: Dual Sided Meter.
● Power Accuracy ±2.0%
● ANT+ [Bicycle Power]: Power, Cadence, Left/Right Power Balance, Torque Effectiveness, Pedal Smoothness, Battery Level.
● Bluetooth ® LE [Cycling Power]: Power, Cadence, Left/Right Power Balance, Battery Level.
● ANT+ / Bluetooth ® LE [Force Vector]: Power, Cadence, Left/Right Power Balance, Pedalling Efficiency, Force vector, Battery level. *Only on supported head units.
● Active Temperature Compensation.
● Battery: Internal / Rechargeable / 300h+ runtime.
● USB charging (Same charge cable as 12spd Di2)
● Weight: 172.5mm 790g (Measured in the Lama Lab)
● E-Tube iOS & Android™ Management App / Configuration / Firmware Updates.
● Other: Status LED. Control Button (Status/Zero Offset).
Video Index:
0:00 Intro
1:03 The "Improved Accuracy" Update
1:58 Unpacking The Update
3:33 Unboxing / Install
4:35 Firmware 4.2.0 Install and Configuration
6:40 Road Testing
9:23 Indoor Testing
12:33 Testing Gets Interesting - Fooling Di2
16:25 Data Analisys
18:37 Calculating The New Offset
21:26 Summary / Wrap Up
#Cycling #Shimano #PowerMeter
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