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  1. F

    Calling all Belt Drive Experts

    My single reduction mid drive is working very well with 10:1 reduction using #25 chain. However, I can't leave well enough alone, and I'm curious to see if a belt drive might work. https://endless-sphere.com/forums/viewtopic.php?f=28&t=96769&p=1426882#p1426882 Here are the design...
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    Mounting the Kepler Friction Drive to Giant Full Suspension

    I'm working on mounting the Kepler friction drive to my 2008 Giant Reign. If it works as well as I hope, I will probably install it on my 2013 Trance 29er. I suspect that quite a few Giants with Maestro suspension are similar. Reign - Looks like Giant provided some holes in the swingarm...
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    My RC Mid Drive with Single Stage Reduction

    I thought you guys might be interested in my RC Mid Drive conversion. I ride frequently in the hills, and I wanted to try just a bit of climbing assist without changing the character of the bike. I ran a Cyclone on and off about 7 years ago, but the benefit to downside ratio was not there, so...
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    Giant Reign with Cyclone

    I thought you might enjoy my Giant Reign 1 which has been converted to 500 watt Cyclone assist. I am using two Zippy 5800 batteries, one 3S and one 4S for about 28 volts. The bike weighs 42lb 2oz with motor and batteries, and 32lb 1oz when I ride without the motor. I can remove the motor and...
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