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Did you periodically charge the battery at all over winter? If not and the battery went flat and given it's 4 years old, then your battery may have been weakened such that is can deliver enough power for low levels of assist but when you ask for more power, the battery can't cope. Again, these...

A friend has a Trek eMTB and he decided to buy a 2nd battery, a Powertube 625 (£600 - eek!) Anyway, imagine his dissapointment to find that whilst the batteries intially looked the same, the connector plates at the base of the batteries were a different shape and had different connector pin...

Ha ha, this thread has all the potential to rattle on like the ones you see on car forums for 'what oil should I use'?.

Some riders, especially those using the higher power versions (250w+) and using high assist levels have reported overheating issues, but after 18 months use on a 36v 250w system and ridden like you almost exclusively in ECO, overheating is definitely not an issue. To check the internal...

That explains a lot about some posters in this thread...... :rolleyes: . I'd spent more than 20 years in the Navy and as a tall guy had banged my head countless times on hatch combings and other obstacles - helmets weren't and still aren't part of the uniform and weren't part of my cycling...

This has already been covered in this forum posting HERE. To prevent unneccesary duplication, you may wish to delete your posting.

The general principle I use when paralleling my bike batteries is this (and I've been running my battery packs in this way for a year now): 1. The battery packs are of the same nominal voltage (in my case 36v packs) AND 2. Before connecting them together (without any diode isolating, current...

Then maybe for safety's sake you should delete your post rather than even begin to make the suggestion? Just saying.

Er, sorry for being thick, but I don't understand the above :rolleyes:.

As we know Air Tags are iOS/iPhone specific but Android are fighting back - go into youtube and search 'Chipolo and Pebblebee ' or similar to get an insight into this interesting alternative which will work with the Android Find My Device network. (ok, so you don't use an Android smartphone! -...

A blob of mastic on the plug end should work. In a moment of absent mindedness some years ago I stripped the crank extraction threads too (so embarrassing). For a number of years I fashioned and used a small 3-legged puller to get the crank off until I found a matching replacement on ebay. And...

No Thanks for that @Cisco-man. I had thought of doing something similar with shottky diodes and had also started to look at 'ideal diodes' too as their forward voltage drop is even smaller, but haven't really got around to giving it a go. Another winter project I suspect .

I think you'll find the Magura require the same fork brake bosses needed for V-brakes, or at least my HS33 on our tandem do. Our Maguras have real stopping power (think 2 riders plus camping kit and some steeeep hills - no problem!) and personally I can't remember any particular difficulty in...

Out of interest when you say 'simulataneously' do you mean running the batteries together in parallel, or just using them sequentially as in when one is discharged you disconnect and plug the other one in? If running in parallel, do you 'join' them together with some clever 'box of tricks' or...

A friend just sent me a link to an article in the Independent Guardian newspaper (link) discussing the high failure rate of ebike systems suffering from water ingress with the eBike Centre* in the New Forest saying they receive about 250 motors a month for repairs. The Bosch Gen4 gets a...

Everyone is different but I can never understand why any cyclist would take away or reduce one of the key senses to keeping safe on the road. Mind you, we as humans eat too much, drink alchohol to excess, blah blah blah, so adding an increased risk to accidents by dulling hearing shouldn't be a...

Yes ---- EEK! Do a google search on Constant Current/Constant Voltage (aka CC/CV) which is how lithium batteries are charged.

Sorry to here of the problem - if you're near me (Portsmouth) you're welcome to borrow my spare motor whilst you wait for something from China.

Just for those who may not have opened up their TSDZ2, here's some pics of the motor assembly and hall sensors. The sensor assembly and PCB are a bespoke shape to fit into the stator casing. To access the PCB requires the removal of the black mastic that coats the assembly. Whether the PCB and...

Ah, thanks for info re controller ratings - something new learnt every day, .