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That connector is weird. Controllers IMHO cannot be repaired even if not potted. I had one lasted 3 1/2 years, then lost contact between the PAS pickup and the computer chip. I could trace the signal onto the board from the wire, but the trace on the multilayer board was hidden. The pinout of...

Took the 5 lb ax to Home Depot today. Made the 3/8" SS 7x19 wire rope abandoned by Clarksville extend onto the sidewalk. Chopped it one time. One of the 7 bundles was severed. 6 of 19 strands of the next bundle were severed. 5 bundles undamaged. Ax suffered a dent in edge 2 mm long, .4 mm...

welcome to the site and the sport.

If the 5 pin goes to the motor, then the 4 pin goes to the display/control on the handlebar. I have never seen that connector for the motor. I have never seen any controller compatible with the display/control. I you buy a KT, you'll have to buy a KT display to turn the controller on and off...

The cover appears to me to be totally unnecessary. Protects wires already in a wrapping. It looks as if the cover is too weak to take the weight of a battery. I would eliminate the cover and clamp around the downtube directly. You may put the steel band under the wires if you do not want to...

36 v 15 A, pretty common. Low brake pretty common. The red black to battery is weird, but you could cut it off and replace with two crimp on 4 mm bullet connectors or ring terminals if the replacement has that. The 6 terminal could be to a display but you did not say you had one. The 4...

A 2.4" tire can be bought 65 psi rated, so will roll easily. A 3" tire is probably 30 psi rated or lower, and will eat the watthours (energy). The two bikes you mentioned may have the same range, a rather short one. E-bikes in the <$1100 price class are IMHO built of the same grade of...

I find hose clamps rather flimsy for structural use. I cage the battery in a box of 3/4" aluminum angle. I use #10 SS machine screws and elastic stop nuts that don't fall off. Then I can attach the box to any strut with a 1"x8" band of #18 sheet steel with 13/32" holes drilled in it. I cut the...

Sorry this computer is too old to play video. Next time I go to Home Depot store, I will take my 5 lb ax hammer and try to cut the 1/2" SS cable laying on the sidewalk in Clarksville. Part of an abandoned road sign installation. This $167 tool can do the job with a sledge hammer and a hard...

I do not think any of us have any idea. One thing I am sure of, if you buy from ebay or amazon, "high quality" means there are no visible holes in the solid part. If you buy from modernbike.com or universalcycles.com certain brands are from taiwan or austria instead of *****. DTswiss spokes...

Used e-bikes can have flaky electrical problems that happen only sometimes. Often nobody can fix them. Yamaha is a good bike. OTOH a warranty that only works if you spend $500 in shipping is not worth a lot. Talk to the dealer about the possibility of him shipping free parts to you if you need...

If the axle is from DTswiss, I would trust it. Those cost $$$. The ones that come from counterfeitland, depends on what the sweeper poured in the "steel" melt that day.

Yeah, 1.6 mm is too short. That steel is probably from the land of lead copper tin in the "steel". I ditched the QR on my bike, Sunday after Derby I saw 3 bikes locked up missing front wheel and seat. Kids & twenties throw them in the weeds or garbage dumpster just to make the owner mad. I used...

I took a spill 2 Sundays ago as I dodged to the edge of the pavement to avoid a car that would not yield me 36" (the paved berms are painted 24" wide, the car lane is 14' wide) and went over the edge. Over the handlebar on my chin and hands. Long Dickies poly gloves & full face helmet to the...

I don't notice any difference. Variable load (cargo) covers up this effect. Variable wind is much more important. With me, against me, 5 mph, 12 mph, 25 mph, wind is always changing. Bad headwind with a non-functioning motor can add 80% to my time on my fixed distance. Cheapo 350 w motor...

Welcome to the site. It sounds as if you had some source of information about e-bikes before your purchases. I had to find this site before I discovered something better than 12 v motors with a sprocket that pushed down on the chain. That is what google found me for "bicycle motor".

6 kg does not sound oppressive. If you can find some way to carry that on your front, all the better. I have my motor & battery on the front, also about 6 kg. MTB's and cruisers are heavy on the rear tire, anyway. The battery does not steer: there are bosses welded in my frame for a front...

If you have to use XT90 or XT60, they have to be soldered. The heatsink in post 7 might make the process doable. The Weller iron in post 10 is not useful. I've owned a half dozen of those and the tip stops conducting heat from the handle in about a year. I'm now using a vari-temp iron from...

Andersn connector has screw clamps. I had no luck soldering XT90. When I got it hot enough to attach to 14 ga wire, the PVC body melted and the sockets went out of line. Dorman .250" flag insulated terminals are crimped on, not soldered. Sold at auto supplies like O'Reilly's. I use a Klein...

I bought the tractor used. It is ~37 years old and no, low cost tractor manufacturers do not put anti-sieze on anything. The more parts you booger, the more money they make. If you buy a $300000 John Deere , maybe they use anti-sieze. My Ford 1520 was kept in a barn or cover; the paint is...