January 27, 20206 yr In the old days choosing a kit was complicated as you had to asses power/hill climbing ability, battery life etc. etc. Much easier now - just count up the chain tensioners and if its got lots then you are onto a winner.
February 3, 20206 yr they have chain tensioners on the left and right of the chainring. the one above the chainring is for the benefit of the motor. Yours is shared between motor and chainring, Plus, their top chain tensioner has a retainer to keep the chain away from the ring. We also have the two chain tensioners. We don't have the one at the top because we never had a problem during our testing. Please consider that chainring and chain are moving in sync, so even if the touch each other after a big jump, nothing happens.
February 14, 20206 yr I'm attaching here the mounting plates for the four different mounting options. If you print in 1:1 scale the drawings, you can verify whether they fit on your frames. You can verify the scale by measuring the scale on the printed drawing. Please let me know if those are easy to use. Thanks, MatteoHRO LONG WITH FRAME.PDFHRO DOUBLE CHAIN.PDFHRO STANDARD INSTALL.PDFHRO IN-FRAME.PDF
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