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I have a conversion kit fitted to my utility bike; it has a new Tongsheng motor and a 5 year old Hailong battery pack. All works well, except when I first set off, after between 5 and 10 seconds, the power cuts out for a moment. If I'm pedalling, the motor drops out and I have to turn it on...

I am trying to decide what to buy to replace the dead GSM motor on my Raleigh Pioneer utility bike. I like the idea of the torque sensing on the Tongsheng TSZD2B, but I'm a bit concerned that it's only classed as water resistant to IP54, and the manufacturer advises that it shouldn't be used in...

Hi, all, I’ve been happily using a GSM 250W mid drive kit on my hub geared utility bike for the past 5+ years, but this morning it started to play up. It’s fine for 20 seconds or so, and then the assistance cuts out for 2 or 3 seconds before returning to normal and then the good/bad cycle...

So I've bitten the bullet and bought a nano kit for my brompton. It comes with a 36V 4Ah Bosch battery, and I have a spare battery in my lawnmower, but I was wondering about using the battery from my full-size ebike. That's got a 15Ah HL downtube mount battery. The only thing that's stopping me...

A little while ago I downloaded an app for the HL battery from the Woosh website - I found it quite useful as it connects to the battery via bluetooth and gives the voltage of each cell so I can see what's going on. I've just changed my phone and want to install the app again, but Woosh have...

I have a GSM crank drive conversion on my normal-sized bike, but it's a bit too heavy and cumbersome to load into the caravan when we go away. I'm toying with the idea of fitting a conversion to my elderly Brompton L5. The one thing that's putting me off is a vague recollection from somewhere...

HI, All, I have a Raleigh Pioneer utility bike with 7 speed shimano hub gears, to which I've added a GSM motor and HL battery from Whoosh. I've found that the combination of my weight (a bit on the wrong side of 16st), the increase in weight from the motor and the battery, and the increase in...

I can't find any information about servicing the GSM kit, such as what needs doing, and how often. I'm assuming that day to day cleaning, checking tightness of fixings and connectors supplemented by occasional regreasing is about all that can be done. I'm also assuming that the regreasing can be...

I know it seems a silly question, but looking around 'tinterweb it's not that easy. Really the question is "what wheel diameter should I program into the controller of my new GSM kit"? The manual for the 800S LCD says that I can choose between 16/18/20/22/24/26/700C/28/29, although the beast...

So my GMS kit arrived from Woosh yesterday, and this morning I took it out for its first test ride. So how did it go? First impressions are that the kit is pretty well specified for its price point, and that everything you need is present. I bought the kit with the HL battery, and I've fitted...

Hi, all, Looks like I'm returning to the wonderful world of pedelecs after a 6 year lay-off. I bought a Giant Twist comfort back in 2007 when I was cycle-commuting to work, about 10 miles each way, but when I retired in 2009 I got rid of it because I was only doing shorter distances. Now my...