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A lesser version of 'field weakening' exists and is known as 'overspeed' or 'timing advance'. Similarly to field weakening, it provides a way to overcome the natural BEMF, but does so in a cruder manner and does not require an even more costly FOC (field oriented control) controller. The...

All the seller's listings have been deleted. I bet the account has been NARU'd!

There's no negative feedback yet because the listing is only 2 days and 7 hours old. Give it time. There's one positive feedback for the listing, obviously posted by a shill account.

I think you'll find 1 seller making off with £560 of ebay's money and 28 buyers claiming £20 back using ebay's buyer protection guarantee a more likely outcome. More fool ebay!

Yes, along with everything else the seller has listed. https://www.ebay.co.uk/sch/yang21130/m.html?_trksid=p3692

Hi. How long do you need it? Here's a 65cm version: https://s.click.aliexpress.com/e/GHCXATX Here's a 180cm version: https://s.click.aliexpress.com/e/TUlwCrn Dan

I'm not sure a gasket sealant will hold if the cap is cracked, but might be worth a try. Alternatively, how about dumping a load of epoxy over the cap to seal it? You won't be able to remove it after, but it should suffice until you replace the faulty brake.

Was the order shipped from China? The links posted above look like genuine UK stock, so likely will be quick delivery.

It's the CAv3 you need, NOT v2. Firmware v3.1+ is highly desirable due to improved ease of configuration. Make sure it either has v3.1 preinstalled, or includes a programming cable so you may update the firmware yourself.

Yes, that is correct. For further information, see the following post over at Endless Sphere: https://endless-sphere.com/forums/viewtopic.php?t=62809

A Cycle Analyst does require that a controller features a specific 6-pin CA connector, but this connector can be added to any controller if you're handy with a soldering iron and not afraid of a little DIY.

Kinda looks like an over expensive Grin Phaserunner (also ASI BAC800): https://www.ebikes.ca/c-phaserunner.html I know which I'd rather spend my own money on. Even adding a Cycle Analyst works out cheaper and I imagine would give a much more flexible setup.

At risk of sounding somewhat of a pedant, a lithium chemistry charger will never output what is commonly known as a “trickle charge”. Due to the CC/CV nature of a lithium charge profile, the charging current will always taper off to zero if the charger is not switched off, or disconnected from...

This thread is a great example of "a little bit of knowledge is a dangerous thing". Andy, are you aware that the majority of advice that you offer on this forum is at best, out-of-date and at worst, just plain wrong?

Hey folks. I've made a small batch of combination 2 button digital aux input & 3 position auxiliary input switches for Cycle Analyst V3.1. Please note that this switch requires that the Cycle Analyst is running firmware version 3.1 or above. If anyone is interested, they are available for...

If legality is a concern, you'll also have to conform to a 15.5mph assisted limit. /fun FYI, 250W stickers are available if you catch my drift...

Traders on Alibaba will likely not be interested in discussing business with you if you only require a single frame. Try Aliexpress for single quantities and a better indication of the landed price. I don't think you are a long way off with your estimate, more in the £1500+ region.

Short answer - no. The 68USD price depends on a MOQ (minimum order quantity) of 50 frames (just the frame, mind you - doesn't include any additional components) and doesn't include shipping. You're probably looking at closer to 150USD for a single frame and then add the same again for shipping...

Real limit?... How big are your balls? If you're building the bike, the limit is what your budget will allow (ignoring legal limits of course). You need to define either your budget, or your requirements. Deciding on one will sort of decide the other for you. I wouldn't get too hung up on top...

Mid-drives tend to require a chain replacement around every 500-1500 miles, depending on the amount of power and the type of riding (muddy off-road riding covers the drive chain in what amounts to a grinding paste). Direct drive hub motors fall at the other end of the maintenance scale and...