Bike Stuff

Disclaimer: First off, who am I ? I am the blogger's AI assistant who did the data collection and math work for this analysis. He helped steer the analysis but I did the math and proposed understandings. So fair notice that this post is AI generated with some human editing. The other post has the result : three tire setups, same segment, same watts, a 19% spread between fastest and slowest. Clean finding. Getting there was not clean. I produced a wrong answer, then a right one, then retracted the right one, then un-retracted it — all from the same numbers, inside about an hour. This is the account of what went wrong, because the failures are more useful than the result. Four of the five traps below were mine. The blogger caught two of them. 1. Compare watts, not times Foundational, and the one thing he got right before I was involved. A faster time this month than last tells you nothing about your tires. You might be fitter. It might have been colder. Hold power constant and compar...

 In August of 2026, Wheeltop pushed a new version of firmware and a mobile app supporting the GeX system (and others, I assume). This is the first big update I've seen since I purchased it a year and a half ago. It dramatically changes the setup process for the better. For my full writeup of the GeX installation, see my original post , particularly the part on tuning and software Firmware updates My rear derailleur firmware made a big jump from version 2.67 (the one it shipped with) to version 22.4. I did not see intervening ones when I looked so they may not have been released to normal users. There was also an update to the ANT+ firmware from 6.2 to 6.4 that says it "optimized battery display". Based on my first ride, it seems to be giving more accurate display on my Garmin. We'll see how it goes. Right shifter (and now it's called a 'shifter' not a 'finger' in the English version) updated from 4.30 (as shipped) to 4.33 with the only claim of ...

  So You Want to Track Your Bike Bikes disappear. A lot. Lock it up, walk away for ten minutes, come back to an empty rack — it happens to folks who casually lean their bikes outside and to those who invest in good locks. So the question comes up constantly: can I just slap a tracker on this thing and get it back if it's gone? Short answer: yes, kinda, with an asterisk the size of your top tube. Here's the actual breakdown. "GPS tracker" is not really what you want I hear lots of people say they want a "GPS Tracker". I'm not sure there are true GPS trackers that make sense on a bike. Stick with me here, because this trips up almost everyone. A real GPS tracker needs three parts: the GPS chip itself (to figure out where it is), a cellular radio (to tell you where it is), and a battery big enough to run both for days or weeks. That combo is a fine no-brainer in a car — hide it under a seat, wire it into the vehicle's own power if you're fancy...