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Hey Feb. It's a QR skewer, RIght here by your wheel. Insert it thru the axle of your front wheel. I usually put the lever on the side opposite the brake disk because on some bikes, the levers are long enough to get tangled in the rotor if it's loose. Then you crash. l

What else tells you it is dead? Is there a display that is not powering on? That could be a display issue, rather than controller.

Is that what modern bike axles look like today? I would have thought that was the vied they use to keep the forks from being squashed in the box, Don't mine me. I'm still back in the era of QR skewers.

On your ebay-inna-uk, there are a number of controllers witj 810LED's that would work. but they ship out of China. There are a few with the 810H which is similar but the advantage is UK sellers,like this one, I picked this one because the listing had the connectors labelled...

The controller I showed runs off an 810LED too, the simple 4 wire version. If he had an 810 LED, the 4 wire model is easy to test to make sure it works, Unless he let water get inside, controllers are pretty tough, I know, because I've drowned 2 or 3 of them. I think it's worth knowing it's bad...

No doubt here that you're right, but the OP says he has a four pin. I've had two store bought ebikes that used the flat JST 5 pin connector for the Hall sensors, but I have never seen a stand-alone controller offered for sale that didn't use a white 2x3 Molex for the Hall's. Some splicing will...

If you had been able to heat the Bosch cells the same way, they would have vented safely like your battery. , Most other .plastic case batteries with quality cells would do the same. Drilling thru the Bosch cells can create a short circuit that heats so fast, the cell ignites before the vents...

Put your mounts on the downtube with sturdy screws that extend thru the cover. Mount the cover. Mount the battery cradle on those screws. It's not as easy as screwing the battery to the cover, but it's not going to fall off either,

Let's see a photo of the motor connector and the matching connector from the controller. Four pins doesn't seem right. Either 3pins, 5pins or 6pins is typical. Not talking about the thick blue, green, and yellow wires that use bullet connectors. If it is 4 pins, I'm not aware of any like that...

Does the seat lift off to expose a storage spot underneath? I wouldn't put a battery there. Just curious. Mounting to the plastic panels wouldn't work. You could use several clamps around the downtube to hold a battery bracket. Be creative. There are hose clamps, u-clamps, u-brackets. Use...

What did you do? Ride home on the flat with a passenger on the back? I've ridden home on 26 x 1.75 tires with no air in the rear wheel, Beat walking 3 miles in the hot sun. Didn't beat the rim up. I had spares anyway.

Huh. It's a pedelec, no throttle? That's classic ebiking, Your Karen pal needs to read his rulebook, The sign needs to say no ebikes or be like this one,

Those look like Temu mirrors, two pairs for $5.99, When you have a half dozen bikes like us, rather use the Temu mirrors when a $16 Mirricycle mirror breaks. The Temu models are available with regular flat mirrors. but that doesn't fix their looseness. If you're looking for a nice mirror, the...

Today, hailong style batteies come on inexpensive brands like Ancheer, Anout 7-8 years ago, Lunacycle sold them because they were the newest thing for DIY builders, but the first models took on water and those contacts would corrode, There must ``be a dozen variants of downtube `mounted`...

I've done it. I did miss the convenience of being able to strap items to the rack.

If you're going to be putting new batteries on old bikes, you have to learn to solder. Buy a good Weller iron. 60/40 solder with lead in it. Get one of these helping hand fixtures, and it's easy to solder connectors. Couple of years ago, I ran out of solder and ran over to Home Depot for a...

I have a few pedals that use allen heads, but most are 15 mm and it usually needs to be thin. I think you can get one for under $10 at Lowes.

The 20" fat tire bikes you mentioned in your first post have really put like a quarter million or more Americans onto two wheels. They're nice in that you can ride on mud, hard packed sand, or light snow, but you still might fall down. Also fairly inexpensive and rugged. All have plenty of...

Convert to disk brakes if you can't find forks with those posts for v-brakes? Unless you have disks and want those posts for a front rack. I've tried to cut extra threads on a threaded steerer tube. Very very hard steel, I needed a $75 hardened die and only had a pipe wrench die. What you can...

Brainpower controllers and their associated displays are a common controller sold in the USA on amazon that use self learning. I've got one brainpower unit that does self learning. Your display may, in fact it should require you to be in assist level 1 or higher for the throttle to work. If it...