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Your cadence (90rpm) is ideal for the TSDZ2 so 70 miles may be achieveable with the 488WH bag battery. That averages about 6.9WH per mile. 35 miles if you ride on throttle.

the 90 psi was in the Woosh Faro, 700C x 28

Ouch..! I thought I fixed this error sometimes ago, but obviously not. We inflate the front tyre to 40 psi, rear tyre to 45 psi before they leave us. Very sorry! I'll fix it in a few minutes. https://wooshbikes.co.uk/manuals/Rambletta-2023.pdf

I can see that you take a lot of precautions but I would like to add a word of caution for anyone who considers repairing or modding their battery and or chargers: product liability insurance will not honour their contract if you modify the product without being directed by your suppliers. You...

Hello Alex, a simple confirmation that your products are covered by your patents would satisfy a lot of your potential customers. Many members of this forum buy from Chinese resellers that operate outside EU/UK laws, so it is legitimate to ask you for reassurance.

Hello Alex, you worry me a little. If for example your company is sued for patent infringement and loses, the victor can ask me to deliver up all unsold products and list of all those who bought infringing products. I will have to refund my customers. It's important to know that your products...

Was there a relationship between aikema and tongsheng?

I still don't get the relationship between tongsheng and to7. China has become quite protective of intellectual property rights in recent years. The casing and axle assembly look very alike. That's asking for troubles without an agreement

between 'make USA great again' and 'make Russia great again', maybe the EU and China should unite.

for this price range (£1,999-£2,999), the Wisper range is difficult to beat. They are properly finished bikes. If you need things like GPS tracker, you can put an airtag or a Vodafone Curve on the bike.

I did try sip clients on my phone without much success a couple of years ago, gave up at the end. Best result I got was with a small MS Surface laptop in my garden. You can still see the screen and hear the ring.

Offices use feature SIP phones (yealink, cisco, grandstream etc). When someone works at home, they just get given a spare handset and I push their profile to the new handset from BT website. I wish android sip client were better but unfortunately, they drop the line quite often and they miss...

I have never found sip clients on mobile phones satisfactory. Still, SIP phones in offices don't work well with Vigin Media cable fixed IP. The lines drop now and then for no reason in the middle of a call. They work OK with VM dynamic IP though.

one of my customers' office is located in an area where phone signal is poor, ADSL is only up to 12mb/s and no cityfibre. The only high speed provider is Virgin Business Cable. They pay £100 a month for 100mb/s service with static IP. The problem is their technology is 20 years old. The router...

40:1 is the reduction ratio of the Tongsheng TSDZ2. That's what helps Tongsheng to reduce the weight of their motor compared to the BBS01 (20:1). The second feature is the blue one way clutch roller bearing, it helps to reduce weight too. Both features are not without downside though.

The recent troubles with US banks could have been engineered by those who want to topple the US dollar as the world's premier trade and reseve currency. I can't see that the EU would ever want to move their reserve currency from dollar to Yuan.

still don't know why the to7 is better than the Tongsheng.

you shouldn't. It's a case of use it or lose it. A forgotten battery deteriorates even more quickly than one that is frequently used and after about 6 months, it can get stuck in an unbalanced state.

The problem is batteries are at their most vulnerable state when 100% full. If your charger goes a little over the safe voltage, it can set the weakest cell block on fire. Cheap batteries are made with grade B or C cells. They are usually mixed together, their capacity can vary from one cell to...

The solution is compulsory product liability insurance. If the seller does not have adequate insurance, its directors are made to be personally liable. At present, only manufacturers are obliged to have product liability. If you buy directly from a website, how would you know if you are covered?