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Direct drive motors can already do this - and it's normally a function of the controller. When engaged the wheel cannot be turned (basically goes into heavy regen mode).

Our local (senior) schools all use the towns BMX tracks - regulary see mini buses turning up with loads of kids most afternoons and they have a fleet of BMX bikes they all share. BMX - Cycle Blackpool

Hi hech - I don't think it's fair on other watchers to end an auction early, sorry.

As title - two unused packs tested at 5ah+. Will make a nice little 44.4v 5ah pack - should be good for around 10-12miles on most bikes @ 20mph. Turnigy 5000mAh 6S 20C Lipo Pack 22.2v battery | eBay Turnigy 5000mAh 6S 20C Lipo Pack 22.2v battery | eBay

Now on ebay for 99p start price. Someone could get a bargain :-)

Aliexpress aren't a distributor - they are like ebay or amazon. The items for sale come from all different places so it's up to the individual companies what they charge for shipping.

Wow - thanks John :-) I certainly read any posts that Flecc or D8veh create or contribute too an d there is normally worthwhile reading and more often than not, something new to me.

Phase current controls acceleration and battery current control amp draw at top speed.

Jerry - have you selected the right port? On the initial screen bottom right hand corner you'll see a drop down box containing com3, com6 etc. Open the software WITHOUT the cable connected - it should only show one or two ports. Now shut the software, plug the cable in, wait ten secs, open...

I find my controller is about 3 amps off - so 7 amps on the software equals about 10 amps actual. Your's could vary of course. But that's the beauty of a programmable controller - it's quick and easy to change and test - you're not stuck with whatever it got set to out of the factory.

Try this Gerry:- Select the 6fet sensorless default preset, click edit, puut your values in, save it as a different file and then select you comm port, connect the cable to the laptop and controller, click upload and then click the button on the cable. Program should show something like...

Actually I concur with other posters - could be caused by faulty hall/phase connections. Should have noted that myself :o

That's a little high Jerry - assuming you have a 36v pack that's around 42v hott of the charger - that 676watts peak (16.5*41v) - a bit high for a Tongxin unless you are super gentle on the throttle. If you can get the amps down to 12amps that'll be around 500 watts peak and should be "slip...

The clutch has died or you've stripped a couple of teeth off the central cog - either way you need a new motor as you can't get replacement bits for Q100 motors. If you do want to buy a complete kit rather than just a motor don't get it from BMS battery - get it from here - £130 delivered. I...

Ordered bldc motor, 36v250w hub motor, front driving motor for electric bicycle online store for electric bicycle components-GreenBikeKit.com They are the Cute motors avail on BMS battery - mine is the Cute 100 the one you linked is the Cute 85.

New toy :-) The Tongxin/Goldant has gone on the Soho so this Cute little ****** is going to go on the FX. Pushed to 63v of course :-) Ordered from http://www.greenbikekit.com/ - great comms and 5 day delivery from China (ordered Sunday, delivered today) - excellent!

Ok - Cute motor is here already! therefor this wheel is available for immediate purchase for posting on Tuesday, for the princely sum of £85 in postage! If not sold in a week it'll be going on ebay.

Jerry - not sure if you're aware but there is no way of reading the settings currently in the controller. What you do in the software is select the preset that macthes your controller (6fet sensorless in your instance) and change the settings to whatever you want, re-save it with your own...

Not unless you have some other way of isolating the battery main positive lead from the controller. The thin red wire simply activates the controller - it still has power with it not connected but it simply wont respond to commands. No probs - I'll pull the settings off sometime this...

Ahh, my kind of topic :-) I put a switch on the small red wire. It's very useful having it on a switch as it lets you disable the system when you are moving the bike around. You don't want the bike to take off if you accidently catch the throttle (trust me!). As far as software goes -...