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    second conversion - treking bike: rear hub, octalink, hydraulics

    hi all contemplating my second conversion. This is for my trekking /hybrid, a Giant Roam. I want to be able to switch it back to using in fully non-ebike mode quickly and easily so a hub motor is a must. would prefer rear hub for the obvious ride quality reasons. Been out of the scene for a...
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    TSDZ2 servicing

    hi all been running my TSDZ2 converted dahon folder for 2 years now, 2000 miles commuting, all very reliable. I've serviced and/or changed all the usual wear and tear parts on the bike but not the e-parts. best mid-life upgrade I did on the bike was to go to a narrow-wide chain ring...
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    My dahon vigor + TSDZ2 build

    thought I'd post some pics and info for those who might be interested. After sitting on almost every ready-made electric folding bike on the market over a period of 6 months, I decided I didn't like any of them - basically all of the frames too small and forcing the upright riding posture...
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    crank drive conversion - motor spindle case too tight in bb shell

    finally decided on a tongsheng tsdz2 to convert my dahon. ran into an unexpected issue after removing the bottom bracket. The motor spindle won't push through the hole - it stops once the threads are in, after only a few cm. I've tried moderate percussive force (gentle tap with hammer), don't...
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    dahon folder conversion - fast and light

    hi all so, I am thinking of buying a Dahon Vigor D9 20" folder for london commuting and converting it. Before anyone says "why not this or that ready-e-biked 20" folder" I have not found a single one (for a sensible price anyway) that has as long a virtual-top-tube frame geometry as this dahon...
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    folder ebike with "large" frame feel vs hybrid conversion

    hi all my first post so hope I get all the info down you all need (apologies for the length) and thanks in advance for any advice. I have 5.5 miles to commute from home to station to catch london train. this is flat with undulations, no big hills, around 80% on good cycle paths where speed...