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Going up in voltage is no problem, although your low speed biking may be faster than you want. Usually happens with 3 speed controllers, which are set too high in PAS 1 at 36V. I own bikes with motors front/rear and in the middle, I prefer the mid motors for a faster install. No PAS sensor and...

Now I remember that I've seen it before. As the motor ramps up on throttle, it glitches around 13 mph and will keep running. This is a video from 3 years ago. As I recall, it was seen on my other controllers . Not seen on non-KT controllers. Only apparent on test stand, Not detected on my...

I got back a bike I had converted for a friend three years ago. 48V, 500W geared rear moyot and 20A sine wave controller. The throttle didn't work, (broken wires is my theory) and I replaced it. I noted he had put about 1400 miles on it, and the exposed controller (one of my early projects) was...

Probably a good idea to review the current rating for your charger jacks/plugs. Some of mine are a bit too hot for my liking with just a 3 amp charger,

I've done the comparison too. My 500w hubmotor is a lot stronger than the TSDZ2's. I believe this bike has a 22A KT controller. Easily shows 1000W on the KT LCD3 display when throttled. In contrast. the most I've seen on the Tongsheng is 11A, and the throttle is very subtle, The higher power...

You need a pretty stout switch to handle the whole current of the battery, Most switched Hailong packs use a cheap low current switch that turns off the BMS, but the BMS needs to be provisioned with the on/off circuitry. And some are like yours with no switches. I own one like it.

If your KT controller has the flat connectors for the display, it probably came with a jumper that allows it to run without display on throttle or one PAS. If it has the round 4n1 harness that goes to the handlebars, they don't give you a jumper. What I often do is hook up the KT controller...

I think it should, if Mahle follows the same color scheme as Bafang, I believe I've used six different makes of hub motors over the years, although the majority were Bafang and Aikema. Matched colors on phase/sensor and they always spun up, I know there are a few oddball makers that don't know...

Agree. Optional fab it yourself torque arm. Only needed if the BFH doesn't work.

Thanks for posting the Dewin BMS link. There is no balance current specification listed, so it's a good bet that it doesn't balance. Balance currents would be listed for a balance BMS and are typically 40-50 ma. That's not the end of the world. A lot of ebike packs don't use balance BMS...

You do have to carefully inspect the pictures of your prospective Hailong replacement. There are different versions of the case/cradle being sold.

Same adapter on a 26” frame, regular hub. It’s clamped on in a similar fashion and positioned with a slot so wheel can drop out. It’s clamped to frame with screw on lower left. A second screw resists rotation. Hydraulic caliper is quite smooth.

RJ the bikeguy taught me a lot about wrenching bikes, but he did need to do further work with that adapter. Using it with Q100 hub motor. Torque plate over the adapter. To remove wheel, I take off the torque plates on both sides, and the adapter is slotted to allow wheel to come out. The...

This type was less metal cutting work. It clamps to the dropout, is designed to push against the frame during braking, and requires a thru-axle or skewer. Position it so a screw can be added thru the dropout to hold it. Cut the plate to match the dropout to allow a hub motor. Make sure it can...

These were designed for gasoline conversions. What I did with them was to remove a lot of metal so it would fit between the dropout and motor, and cut a slot to match the dropout, and position it in a way that I could use existing holes in the frame to hold it. A torque arm like strut was also...

I think a light folder, ridden at 12-14 mph, will stop well enough with v-brakes. Anyway, we've accumulated over 10K miles on our 20" folders with v-brakes. I did change the rear brakes on mine to hydraulic calipers and they are far better, but I did require an adapter, The front would have...

The EZ-rider kit appears to use speed control. I've found that operation mode to be quite irritating. The power should max out when you hit a certain speed and that allows the rider to blend in human power to go faster. I like current control. I would swap it and the display for a 14A to 20A KT...

Looking at the one side only, unless you're replacing some notched washers on the inside of the axles, there won't be enough room for torque arms. The nut is almost at the end. Nonetheless, you do want them on front motor. Faceplants are no fun.

My ebike conversions include a BBS02B, a hub motor in a 20" folder frame, and a TSDZ2 in a old 10 speed frame. I've since changed the BBS02 (3rd pic) to a Hailong downtube battery. This year, half my miles are on the Raleigh with the TSDZ2, a quarter are on the folder and the BBS02 is near...

I have front/rear drive cadence sensor bike conversions, a Bafang BBS02 mid drive, and a Tsdz2 48V. The latter is my favorite to ride, but it's probably because the bike is a very smooth 10 speed. My TSDZ2 originally had no feel of assist in the first two levels and would surge in Turbo because...