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ChatGPT still has some training to go through before it understands properly Newton's laws.

you were given a bad cadence sensored hub bike to test. A modern controller reduces its power to keep you pedalling at all times if you slow down your pedalling when you go round a corner for example. That is an important point to keep in mind. If your test bike does not do this, ask for another...

the bike does not appear to be road legal. Still, the police should have explained that they were following the boys, they did not contest the CCTV video we have all seen. Instead, they insisted that none of their cars/vans are in the road where the accident happened. Even if they had no part in...

The spring leaves are in poor condition, Andy can help you with restoring the spring leaves later, it's not the reason why the bike cuts out. The next step is to open the controller box and follow the battery lead to the next junction. Please check the battery's voltage at the next junction.

yes, you can but imagine the difficulty in having to find the on/off switch in less than a second before you hit something or someone. The following scenario happens a lot with kits. They are usually supplied with full, permanently active throttle. Imagine your throttle has become sticky lately...

yes. Where the TSDZ2 can be improved is a simple way for the user to increase assist ratio temporarily (pedal power to motor power) or change to cadence sensor when climbing hills.

you need the brake sensors to stop the bike when the throttle gets stuck while still actively engaged.

Hello David, I talked to Andy here this morning about your Santana bike. He said pull the battery out of the bike and check the battery leaf contacts where they make contact with the controller box. Somethimes the leaf springs get crushed and cut the power to the bike. If you have a...

It is a rack battery and there is a fuse on the battery output.

Yes, of course you can. Let our Andy assist you in fault finding. He is very good at it. Just email support.

Your Santana3 was built with a TS kit and a one off. I remember it well. I assembled it for you. The wiring is slightly different compared to your bike, check first inside the controller box to see if any connectors got loosened. Thinking about this, it can explain what you see. The second...

you need brake sensors if you fit a throttle, in case the throttle gets jammed open.

with hindsight, those bolts should have been either anodised or greased to prevent raw steel sticking to aluminium.

There is always a question mark over the risk of water ingress with any middle motor. Also, some people insist to get more out of it than they would from a Bosch CX like running it at 52V. The TSDZ2 is a great kit when used sensibly.

some bolts in motors with aluminium casing will seize some time. The problem is not uniquely of this motor and it's relatively easy to sort out. The real weakness of all motors with high reduction gear ratio is overheating. Search the forum and you won't find a single case of unmodified TSDZ2...

Tongsheng should have cracked down on its resellers advertising them as 500W (48V) or 750W (52V). The TSDZ2's motor core is smaller than the BBS01B. Just look at the size of the permanent magnets inside the motor core. Pushing through 750W is just asking for troubles. Most of the time, motors...

I once undid a stuck screw on a TSDZ2 that was returned for repair. I clamped a right angle offset ratchet screwdriver over the screw.

Nigel Farage was on Newsnight last night. He said 'brexit has failed' - whatever that means. He is a formidable debater though.

If the noise occurs only when freewheeling then it can come from the freehub.

You are good with things like that but I know when a part or a solution is statistically troublesome for support.