Bob Eisenman Posted August 17, 2017 Share Posted August 17, 2017 After 4,000 miles it was time to replace the 16 x 1.95 tire and inner tube on my Ninebot One E+ Taking off the LED ring and plastic rings was easy with deliberate unlatching of several interlock tabs. The pedal bolt set screw came out with an hex tool and the bolt tapped out with a hammer and screw driver. The battery wiring harness, charging wire coupler and LED power connectors separated without a problem. The blue plastic tire tools are essential in getting the tire off and back on. After removing the inner tube, the opposite side of the tire was removed with the blue tire tools. Putting the new tire onto the rim took some patience for the last few inches of tire to hook onto the hub. When adding air to the new tire and inner tube the position of the 'bent stem' should favor optimal external access by the Ninebot extender by positioning it before inflating the tire. Reassembly went well except for one machine screw hole position (1 of 4) which had cracked with use. The screw was omitted from the final plastic component assembly because I dropped and lost one.? When tightening the dozen or so other attaching bolts the best results were obtained by loosely screwing all bolts into each acceptor hole and then tightening each bolt in sequence. It's worth noting that the loss of one screw was actually a result of a complex magnetic interaction. There is a magnet which is removed from the plastic housing. It keeps the pedals up when the pedal Bolt allows free pedal hinge motion. I had attached the four screws magnetically to it to avoid losses. While moving the container (picture1) with the magnet and fasteners, the small hex key which was also in the container became forcefully attracted to the magnet. A scattering occurred in the container and when I looked again for the four 'magnetically bound screws' only three could be found. Searching the floor, etc. with a flashlight found no trace of the lost fourth screw of a set which holds a minor plastic assembly which supports the the LEDs in some way. The fourth screw is hardly missed functionally. After removing some of the extra old foam padding the tire and tube replacement was done. I took the tire replacement as an opportunity to replace the male part of the 4 pin Lemo connector which is part of the recharger unit. The soldering task was a tight job but easier than replacing the whole Lemo connector (+ wire and ground wire using only 2 of 4 Lemo connector pins) on both the Ninebot and the charger unit. My original Lemo connector from the charger had some loose wires held in proper position with plastic zip ties and I wanted it to be replaced with a new Lemo 4 pin plug ordered from China, as described by someone on this forum. The new tire rides great but feels very different than the flattened tread of the old tire. Link to comment Share on other sites More sharing options...
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