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Here's another, ultimate bike derailleur geekery -- Disraeli Gears: https://www.disraeligears.co.uk/site/home.html https://www.disraeligears.co.uk/site/home.htm

• mlacks 8mo ago
  truly awesome how many ways you can go deep into something. Would have never thought to spend so much time on derailleurs
  • jacquesm 8mo ago
    That site is gold. I've had one that was a complete mystery, it all looked and felt perfect but still, it didn't work. I was tempted to toss it and replace it but the fact that it was a vintage Campagnolo made replacing it extremely expensive and I couldn't even find a proper replacement. So in the end I figured out what the problem was and ended up repairing it.
  • lkbm 8mo ago
    The blessing and the curse of the Internet. A few years ago, I was getting new bicycle tires and fellow overly analytic bicycle nerds had built a machine to measure the rolling resistance and puncture resistance of each tire[0], so I of course I "had" to spend hours pouring over all the different options. This was probably a more sensible use of my time than when I spent hours trying to determine which pedals I should get. Is there a reason to get low profile? Oh, this one is 20 grams lighter--oh, but some people report it breaking more than this other one. To quote on of the best article titles of all time, reality has a surprising amount of detail. [0] https://www.bicyclerollingresistance.com/ https://www.bicyclerollingresistance.com/