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I know this reply is a few months late, but it requires a response. As you're aware the protection box's you linked to are simply two ideal diodes in a fancy case. They work wonderfully for DIY ebike builds (bafang motors etc) that use basic battery setups. They will not and do not work for any...

Where did you get your spokes? That's a very good price! Nice to see another person using the Koozer hubs, I've used to 390 and 450 for several wheel builds now and found them excellent.

A charger does this perfectly well. Charge both packs up, connect them. You can't use a dedicated discharging circuit to match (not balancing, it is important to differentiate) the packs by discharging a Bosch battery as you can't turn the pack on to do so. Connecting a fully charged pack with a...

Some useful information there, and some very dubious information/recommendations. Did you use AI to come up with this? Could you please demonstrate using suitable calculations how using a resistor to equalise a pack for a few seconds would be helpful?

OK, so I've made myself an external pack that functions perfectly. But it hasn't been without some minor hiccups and it is NOT foolproof. In other words, you WILL damage something in a very expensive way if you don't pay strict attention to charge levels etc. So. I've made a pack with M58T...

Not without stripping the battery down, sorry. It's literally a flat 2.5mm thick alloy plate with 4 inserts fitted.

Image nicked from TF Tuned. This should explain it.

Yes that was the idea, then I could use any 205 x 57.5 trunnion shock I liked - as long as the piggy back clears the frame. As it turns out I got a great deal on a 230mm jade x so bought that instead. I needed some heavy shim work to feel right though.

At least people with the smart system have an option. I have a gen 4 non-smart equipped bike and there is nothing available. Hopefully the package trailwatts comes up with will fit in the frame triangle of a trek rail.

Amazing work, really excited for this as it'll open up some truly epic rides on my Rail.

I know the last post is from over a year ago, but did you get anywhere with this booster setup on the bosh gen 4 system?

This is the exact solution I was hoping to do for my Rail. Except using 10x 21700 cells. So, a year after posting, how are you getting on with this DIY range extender? Are there any issues you've found around error messages or charging as one unit on the bike with the Bosch charger?

Because garbage ebikes don't ride like a proper 'enduro' sled. The bikes with piddling drive units are still bicycles at heart, with all the trail shredding capability that comes with a regular bike, just with some extra nudge to get you back to the top. Try riding a decent line on a crappy 3kw...

A Suron is in no way an e-bike, it's an electric motorcycle. Whoever bought those kids a silent 60mph electric motorcycle to knowingly go hacking around the estate on should be locked up.

You already have the option. If you want an EMTB there are plenty to choose from, likewise if you want a high powered bike for use on private land. If you want an electric motorcycle there are also plenty to choose from. The last thing we need is morons rocking up to Halfords and getting their...

You can indeed use 21700 cells width ways. I've made a 13s4p pack that mounts to an aluminium plate that picks up on the existing mounting holes.

It's progressive enough, I'm running a heavily reworked Jade X and it's sublime on the big stuff. But obviously it's not a sofa any more.

Hey dado, can you confirm this works, I'm getting really annoyed at this limitation on my M600.... I messaged you at K1 but I think something got lost in translation as you mentioned all motors lower the power at 30% battery. What firmware version dosen't have this limitation? Apart from this...

I've made many packs over the years. I wouldn't be happy with this one, corners have been cut - and the soldering iron tip wasn't big enough or hot enough.

I swapped at Christmas after two years of riding that awful thrushaft. Well the bottom seal finally gave way so I had an excuse! I'm on a M 2021, 60*230, hardware from J-Tech as he makes a nice mounting kit (and will sell you the shims to tune it) I weigh 92kg, running a DVO 550lb spring the...