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We were all hoping that the UK end user would benefit by suppliers being able to source from China again and not be affected by the European anti dumping tariffs (unjustified IMO). Unfortunately this is not going to be the case as the UK has already decided to retain the EU imposed tariffs and...

Hi Mike, I am a little worried that your asist isn't kicking in until after two revolutions of the cranks, is should be about 50% of a rev. Please would you check your magnetic disc has all the magnets in place and the disc is within 4mm of the sender during the complete revolution. All the...

If it’s more convenient please send directly to us by post. A7 Chaucer Business Park Watery Lane Kemsing Sevenoaks Kent TN15 6NB Mark it for my attention and include your name address, email and telephone number. We will turn it round on the same day. We close between Dec 23 and Jan 4...

I completely agree always buy if possible from a local dealer. All the best, David

It certainly can cope, riders simply have more options on a modern bike. All the best, David

Hi Elizabeth, Thanks for your kind words. At 65 I’m certainly in tune with your concerns. Try twisting the throttle whilst you are turning the pedals I’m sure it will whisk you up the hill to Aldi! May I call you tomorrow to discuss the best way forward? Please email me...

Hi Elizabeth, That’s what I would expect. The bikes are very powerful but you do need to pedal quite hard to get the maximum power. If you use the throttle whilst pedalling yiu can override the cadence sensor and get full power simply by turning the pedals. Just like a cadence sensor bike...

Hi all, The H mods is only on the older bikes. On the new bikes you can override the torque sensor by twisting the throttle. The torque system will give you instant power on a hill start but you have to either press harder on the pedals or use the twist throttle to get Max power. All the best...

Thanks that would be good. All the best, David

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.