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    eBike Power - One Size Fits All?

    Many ebike models, like the Specialized Levo or Creo, come in sizes from S to XL to accommodate various sizes of rider, but all with the same size battery and the same motor. Ebike classes and watt limits take no account of the mass of the "vehicle." From cars to boats to planes, when...
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    Auto-dimming Headlights on Newer Cars

    When riding at night and meeting a car going the other way, it's nice if the driver dims their lights for you. In the last year of so, I'm noticing more cars that don't dim when approaching me. To make it worse, these tend to be the newer high-end cars with searchlights for headlights. I've...
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    ebikes on rail trails from both sides...

    Rail Trails are special places, increasingly used by families with small children and pedestrians in my area. Small groups of spandex riders at 25 mph present a hazard the same way ebikes can. Some rail trails are sanctuaries where you can listen to the wind in the leaves and the rushing water...
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    Mahle at Eurobike 2019 - any video of their booth?

    Having created the motor for the new Specialized Creo, Mahle is, for me, the current state of the art in human scale bike enhancement. According to the list of exhibitors, Mahle had a presence at the show. If anyone has seen coverage of their booth at Eurobike with an interview, video of the...
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    Light Touring Build using Bionx Drive without a Bionx Battery

    This bike was made to move at a moderate speed (tops out at 23 - 25 mph) over greater distances. I2C era Bionx motors are highly durable and inexpensive, though many believe they require the use of an expensive Bionx battery. After a cable modification, they can be made to function perfectly...
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