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  1. S

    How do you guys bust rust this bad?

    I’ve separated amd assembled parts many times using thermal shock - it works better when it is different materials like a steel frame with an alloy seatpost. More extreme sudden temperature change can be achieved with liquid nitrogen.
  2. S

    Modern multi-speed hubs?

    Another, much cheaper IG hub in the NuVinci CVT hub : https://en.m.wikipedia.org/wiki/NuVinci_Continuously_Variable_Transmission Fallbrook Technologies NuVinci N330 CVP Internal Gear Bicycle Rear Hub Silver 36h Disc Brake C3...
  3. S

    Modern multi-speed hubs?

    If you really want to spend $ there are Rohloff 14 speed internal geared hubs: https://en.m.wikipedia.org/wiki/Rohloff_Speedhub . Seen them on Amazon.
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