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Hi Sorry, I don't know who you are? All the best, David

Hi! Everything said here is correct, the bar display does not show a linear drop in voltage. We are aware of this issue and have found a fix. Please drop me a line to david@wisperbikes.com I will assist the best I can. All the best, David

Good afternoon, You can use either charger on either bike, the 2A 375 charger will take longer to charge the 575 battery. The 3A 575 charger when used on the 375 may reduce battery life. I can’t comment on the charger you found on EBay though. It is possible that it could cause damage to you...

Hi sorry about that, the batteries should have arrived last week, we have just found out that they are now set to land on Dec 22nd. In just over 2 weeks. Just in case they don’t get here before Christmas we are saying they will be ready for delivery in Jan. We will be updating our web pages on...

We stopped fitting the USB port a few years ago. We have a different interface we now use in the workshop. All the best, David

No problem, eBike batteries are very good, I highly recommend them. all the best, David

Hi silly question but have you tried the 375 charger on the 575 battery? All the best, David

Please don't be scared, I promise that we will look after you. All the best, David

Brilliant news, please let me know how you get on LIz! Thanks for your custom, we really appreciate your choosing a Wisper. All the best, David

Thanks Phil. Hi Liz, The seat post diameter on the latest 806s is 30.9mm Phil is correct re the torque sensor. The throttle overrides it and the bike effectively becomes a cadence controlled bike. The throttle is used to regulate the help you get from the motor, so fully open it will give you...

Rumbled.

Your's is the 1 in the 101 being finished next week!! ;) All the best, David

We are finishing 101 next week and are building another 786 during December so all the backlog will be finished by the end of the year! At Last! New mass build starts in March 2021 but most of the 2021 bikes have been pre ordered by dealers. All the best, David

15.5 is the legal limit unfortunately. We now have to make the bikes tamper proof. The throttle will only work up to the legal limit and works just as effectively on both mid drive and hub drive. All the best, David

It should be the same, have you tried pushing the thumb throttle? That will give you a the actual top speed. All the best, David

OK thanks for reminding me, what you are feeling is the torque sensor, yes you do have to work harder to achieve full speed. Let me have a chat with my guys and see what we can do. All the best, David

No worries, we will look after you in Portugal as if you had bought the bike from us directly, so please don't fret. We are actually in Anadia just outside Agueda. All the best, David

Hi Neal, they are available in Portugal. They can be sent directly from Portugal to anywhere in Europe but we would deliver ourselves in Portugal or through our new dealer based in Coimbra. All the best, David

Hi Stapely, which model do you have? Just a quick point, the throttle will take you to top speed very quickly. All the best, David

Hi! Great news, thanks for investing in our bikes! Your bikes are already well traveled, from Portugal to UK and then back to Portugal. The first thing i noticed was that the bikes did not arrive in Wisper packaging, but in boxes marked MTF Enterprises Ltd. Presumably E-Bikes Direct had...