I pre-ordered the Swytch kit with quite a long lead time for delivery (my choice). When things started to happen, the communication was consistent and efficient and kept me upto date as to when the kit was going to arrive. Once it had reached their depot and was despatched to me, the comms were really good and the kit arrived!. I have a HOy Shizuoka 003 and when setting the system up the axle was 1mm too big. A contact to customer service and a prompt response (along with video tutorials) about how to correctly alter the size of the axle was sent to me. Iw as given the option of sending back the wheel at no extra cost (just extra time). Putting the wheel on and then finally setting it all up was easy. The instructions very clear and easy to follow. By being methodical and taking care, the kit was installed quickly. The first ride was a hoot. Of course I put the setting on max and was literally whooping with delight as I hurtled round my local estate! I have since learned how to ride with the switch to ensure I manage my power settings. I bought the kit (at good value in my mind) to help me commute from my town to my nearest city (Milton Keynes) and take advantage of the co-working spaces available. The Swytch kit allows me to ride in but not exhaust myself up the hills to get there. From my experience, I only use the first power setting as it is like a gentle push. The full power version is proper fun but does use the power quickly. Your journey length, hills and your own weight has an impact on the battery output- take some time to understand this and you will get the best out of your Swytch Kit. For me, this is a power assist item - perhaps with a bigger battery I could use it as full electric bike - and having had it for a couple of months it has brought about a renewed joy of riding.