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Not in California it doesn't. CA law requires manufactured bikes after a certian date to require a sticker applied by the manufacturer, but the DIY builder is not covered by that. I've never heard anyone so much as ask for one, including the police who carted me off in an ambulance when I was...

Why are the nylon gears a problem? Is there a history of failure (trick question I already know the answer is no :) )? I've been using the G060 - the predecessor to this motor - and it has never had an issue either with heat or gear failure across about 7000 miles on one bike (I use them on...

I missed this until getting tagged above, but it seems like the solution has already been arrived at. Of course the battery can be discharged... but can it be done safely? I would argue no to that given the problem description. The Specialized BMS is proprietary, and you already know there is...

First of all lets acknowledge that several others in this group of mutually self-appointed experts just threw up in their mouth a little. This makes my day :). Wait did I say that last part out loud? Absolutely the best way to go about things. The more you know the less you'll want to take...

Well, if you condition yourself over time to automatically do rear-first, its part of your emergency braking, too. Last time I had a genuinely ohshit moment - and for it to have been an extreme, I have to go back a couple years - it worked out that way. YMMV of course but best practice to...

Not quite. Pull the rear a bit early to 'set' the bike. Then the front. Half a second separation, tops. Increases stability during initial deceleration. If its ingrained into muscle memory it will help ensure no front washouts, for instance. And that minimal separation will prevent any...

There are negative issues that can be cited from moving the battery to the back rack, but a loose wire isn't one of them. Thats just a goof on your part that you need to fix, or the wire was loose to start with and now you're aware of the problem.

Its not like that everywhere in the world. In some countries the bike manufacturers have to swap them back, too. Just do what is good for you, but bear in mind the potential liability if you let someone ride one of your bikes and they clamp down on what they think is the back brake, and it...

This may be totally not what @BurroBabe wants to hear, but her needs and requirements are far enough outside of the norm that manufacturers cater to that I would pick a bicycle she likes that does what she wants, and convert it to an ebike. Bearing in mind that the weight requirement is likely...

Plus suspension forks tend to have a longer axle-to-crown for a double whammy on that score. Although if a step thru frame is in play, standover might never be an issue.

I bought four of those self-contained pumps over the span of a few months. One is just flat out dead. Another has a severely reduced capacity such that its barely able to inflate a single tire. The other two, since I know I can't trust them any more, I use them at home only, which is of...

A couple of observations from a cargo biker and someone who builds ebikes in general frame-up, who also has a lifelong cycling background: 1. Suspension forks on cargo bikes are generally considered undesirable. The reason is the weight on the bike when loaded. You get both compression at...

I carry that in my car. I've bought into the M12 ecosystem so I have batteries galore and many drills, blowers, lights, that pump etc.

I have been there and done that with regard to portable pumps with internal li-ion batteries. My advice is DO NOT DO IT. They seem great, and they are... for a while. But reality is going to set in a couple of years down the road when you realize that a) you have to keep that battery pack...

Oh absolutely. Having this level of personal control over the process is why I do it. The battery. The charger. The components like the brakes, drivetrain... On and on. I certainly am not saving any money at least not the way I do it. I expect all my setups are passive balancing, but...

Does it come with a bag with little eye holes so the driver can put it over his head?

But to add to that, if a given individual cell is not at a matching voltage with the other cells in its cell group, a balancing BMS will sense this and apportion a bit of current over to it to bring that cell up to match the other cells in the (parallel) group. The power has to come from...

Then I don't have a clue as to what they have inside them. The more I see ebike manufacturers go out of business, the more I pat myself on the back for having nothing to do with a bike that needs a specific factory-spec battery pack that may no longer be in production. Black-boxing the...

Every pack I have ever bought has a balancing BMS. Not to have one is a sign of a crap battery pack. Maybe if you are out buying Liitokala or UPP packs on AliExpress, a balancing BMS isn't there, but not if you're buying quality from a reputable seller. Now, in the RC world, balancing BMS'...

Voltage converters should exist that let you use EU-spec devices on 120vAC USA power sources. Look for one of those. Your charger will not step down to 120vAC on its own...