Uploaded August 2025 | Updated September 2026, 2 weeks ago

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In this video I dive into the wild world of power meter data recording, showing how even with an accurate power meter your bike computer can still misrepresent your efforts. Using the Favero Assioma PRO RS pedals and the SRAM AXS Quraq as two baselines, I tested five popular head units (COROS DURA, Wahoo ROAM V3, Hammerhead Karoo V3, Garmin EDGE MTB, and iGPSport BiNavi) and found some big problems with how intervals and sprints are logged. I break down why this matters for training accuracy, long-term progress tracking, coaching feedback, esports validation, and overall trust in cycling tech, plus share analyzer data so you can see the numbers for yourself.

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Video Index
0:00 Intro
0:59 Skewed Workout Data
1:56 Sticky Watts
2:07 FIVE Bike Computers Tested
2:26 Test Protocol
2:42 Test 1 - Assioma PRO RS-2
4:32 Test 2 - SRAM ASX Quarq
6:43 Test Summary
7:04 Five Reasons Bad Data Recording is a Problem!
8:39 Does This Matter? (Yes!)
9:32 Further Research/Testing
9:41 Final Take Out
9:59 Wrap Up

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