Recent content by harryS

That is a common battery mount, but there are many cradle sizes like that, You might look at this reference and see if you recognize your battery case. https://ecoteardown.top/hailong-ebike-battery-a-comprehensive-guide/

Ten years ago. I bought my first ebike kit (also bought a complete commercially made ebike). The assembly manual for the former had a link to the motor maker's website, which proudly showed rows of women tediously hand wiring motor cores. Truly a sweat shop. Since then, chinese engineers have...

There must be some fault in the battery circuitry that drained both sides equally to 12V. I am surprised that the battery let you recharge too. An ebike BMS wouldn't let you even measure the cells if it was below 30V, My thoughts are if you let the battery sit for 4-6 weeks to see if they hold...

Good for you! Hope it runs as well as those reviewer say it does,

If you remove the controller, per this facebook post, you can expose the controller and the entire wiring harness. From there, you can confirm that the red/black wires go to the controller abnd are nattery plus/minus. The identity of the other four wires will have to be inferred fro, where...

There is an on/off switch on the right side of the battery, Hard to miss, but maybe you missed it, You got the battery seated so it can lock? Pedaluma is talking about a round connector on the display cable. Follow the cable out of the display and it should have a connector like the green one...

My brokerage accounts are down big time. It's OK. On the average, they will double in 8-10 years. It's a better bet than seeing me still riding an ebike in 8-10 years. Back to tariffs. As Indianjo mentioned, with the $800 exemption removed from individual purchases, China no longer will ship...

When a KT LCD3 powers up, ir puts 36V on the control pin, If your bike is 48Vm then it puts 48V there, When the controller sees that voltage, it powers up, The LCD3 then sends data ti the controller, and gets data back, This data initializes the PAS level you picked in the LCD3 for startup, It...

Brake cable. If you notice the ferrule and the lock ring both have a slot. If you rotate them, might need a pliers, so the slots line up with the slot in the lever, you can work the cable inside the brake lever. THen you retension the cable.

Hydraulic brakes are potentially the best. Mechanicals can always be upgraded later to hydraulics for not much money. Torque or cadence? Torque is more work. Requires real pedal effort, even if you turn it up., Cadence is always effortless pedaling if you want that. Biking enthusiasts usually...

I don't know how the Aventon works, but when you use a pin that slides into a hole, it has to be aligned right. Some of my batteries have taken some wiggling to line up, Unless something broke in the lockm it should eventually work?

The three button unit supplied with the LCD3 uses momentary contact switches, If it has to be held down, that probably means the LCD3 circuitry is at fault. There is no speed or battery data is there? Does the thermometer work? Use the runner band while you order a new LCD3. U think the LCD3 is...

Undocumented plugs for lights have blown out the 5 volt supplies of controllers, Test/verify the pins work as expected before you use it. A relay is advised. If it doesn't already have a display or handlebar unit, you're not likely to be able to add one.

Looks like the Jansno that someone else here just bought except it has spokes instead of cast wheels, . While the style doesn't appeal to me,these bikes are pretty inexpensive at under $700 and appear to run as fast as advertised based on youtube reviews. I wonder if that swing arm is going to...

This reddit thread says you can solder a throttle to three terminals on the hyper circuit board. Read down to the bottom. Or you could just put in a different controller, which will cost you about $100 up, A 20A KT controller might give you a better feel on the pedal assist, Their color...