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thought the controller was overkill..

Your best bet for such a schematic is a google based on the details provided on the controller label. that looks like a bit more than the standard 4 into 1 and 5 into 1 julet conectiong cable? if your bike has lights powered/switched through the controller that could explain the extras?? but...

Cheers.. perhaps 'Is exchanging the chainring an option?' would be a better phrase to hide my stoopidity ;)

Is a larger chainring an option?

It makes a refreshing change for americans to suffer as a direct result of US international poilcy instead of the children of the invaded nation.

confirm the waterproof fittings type on your bike, often they are not the usual julet or bafang higo but slightly differing variations. the drawback with the 'waterproof' fittings comes if you have an electrical issue. Both the bikes the plugs and sockets present difficulties for testing with...

ebay or its alternatives are probably the best source for a cheap volt meter (£2-3) or you could get a more detailed DC power meter for £12+ (ebay search 'dc volt meter 60v') ebay search ' dc power meter 60v' But you may need to retain the 'broken' display and keep it attached as generally...

Sounds just like my yose experience, when in use its either pas 3,4 or 5, the settings 1 and 2 simply cut out too soon even if in a low gear, I find i use cracking the rear brake lever a tad to cut the motor on occasion a much more handy and intuitive means of motor control.

my lay understanding is that with a criminal conviction any civil suit for damages is a sure thing win.. even a jobless 17 yr old with plans to go bankrupt a few times wont find it easy to shake of a liability judgement?- But then again ive been spoon fed fairy tales of poetic justice by tv etc...

Fwiw i installed a 250w yose rear wheel kit circa 2 years ago, i also bought a kt dual voltage controller with the intention of sourcing a 2nd 48v battery as i am a larger non enthusiastic cyclist. 2 years on and im still riding with the stock system, the kt controller is installed on a 2nd...

Ahh for some reason i thought you had a shop front?? selling on ebay is a different thing entirely so ignore my 'sales insights' above.. best thing is to rely on your own aesthetic and fit what you think suits the style of the bike.. that way the overall look/feel of the bike should be...

If selling on, I would consider buying in a few different styles as some will prefer a minimal aesthetic over real time info display and visa versa.. And offering a selection (at real-ish cost) while costing an initial overhead could speed /ease a number of sales down the rd.. - no bike sales...

The build vid i followed included a stress stage, once first balanced and round stand on the spokes if light use a lever if a fatso like me but stress each n every spoke and then retest/balance.. Finally test each spoke is taught, tools exist for the job but i relied on a lil tap from a 10mm...

Hi n welcome, Fwiw i just wasted 1/2 an hour explaining politely not to depress you why your 350w ebike was a bad idea in the UK with a 250w rated motor limit - Ha enjoy roaming round california..

Saneagle is usually spot on with his diagnosis of ebike issues.. So check out this walkhrough from grin to test your controller mosfets. your controller may look more like this? Or may even be built into the battery base/mount? In any case its the thicker heavy guage wires black/red from...

TAKE CARE OF EVERY NIPPLE!!! All the spoke sets i have bought (too many) come with exactly 36x spokes and nipples NO spares or extra's. Hands n knees time maybe? If available i would expect them to be defined by the spoke gauge ? It seems bike engineer 101 maybe NEVER LOOSE A...

Get some tape and block off all the unused castellations on your spoke tool ( top of pic) , It will save you LOTS of frustration.. I see your spoke by spoke replacement strategy, but suggest instead you strip the one rim and lace the new one in two steps instead, fwiw i used 3x plant pots, 1x...

Welcome, So the UK/EU regs dont apply :) Endless-sphere.com is a more US centric site for all things EV, with lots of ebike chatter and a wealth of local knowledge. Costco had a $399 special recently iirc.

Perhaps a battery without a safety critical flaw might be a healthier option? the basic bolt on hailong form factor is widely available. If the widgoo b20 employs any form of restrictive battery coms however you may find it easier to simply replace the control system (£50-100) too.

Why is delivery guy testing his motor speed while plod stand by?? Ive been pulled over a few times over the years for a random safety check lights tyres indicators etc, Not once has plod let me officiate the testing??