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Quick update. All seems to be working well with the motor and battery. I managed to get 90 miles (145km) from the initial charge climbing 1250m. I increased the assist ratio setting from 16 to 20 and this seemed to add more assist for less effort. I also increased the cut off from 15mph to...

Update on the installation. It went surprisingly well. The concern about space for the gear cable guide was resolved by simply removing the screw. The chain line seems fine and I think there is space to install 2 chain rings. I used my original chain and this deals with all 9 rear gears. The...

Thanks for the tips. Those Luna adaptors look very pretty, shame they won't be seen very often. I wondered about headtube reducers, would they work if the BB is already 73mm? Maybe a section of 1mm thick pipe slotted around the motor BB shaft would work? covered in a thick layer of grease. And...

I think this is what I need to do. My bottom bracket shell fits a 37mm BB, I'm converting to electric and installing the TSDZ2 33.5mm. Do you have any tips on how to do this?

https://www.aliexpress.com/item/1005001266854452.html?spm=a2g0o.detail.1000060.1.6d5f141elvurPc&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.169870.0&scm_id=1007.13339.169870.0&scm-url=1007.13339.169870.0&pvid=e97abd87-8523-4535-9c7b-52c58c4e8bbb&_t=gps-id:pcDetailBottomMoreThisSeller,scm-u...

Update: Today's initial test was reassuring. The cable guide can stay though I will need to replace the round head screw with a flathead sunken screw to keep it in place. I could get away with out a screw but think it could drop out of place when It comes to changing the cable. I had to shift...

Thanks LimboJim. I contacted PSWPower with a video and they reassured me it was normal so think my concerns may be unfounded. I'll wait to see how it feels when on the bike. Massive relief to find the cable guide and thus rear mech cable can stay in place. I offered the motor up today and...

It's a minefield. I heard Unit Pack Power have a good rep and use Samsung/LG/Sanyo batteries with warranty so drawn towards their bottle range. Quite pricey though compared to say the PSWPower 36v 15ah g56 beast of a hailong.

Having spent the past week or 3 reading all about converting to an electric bike I am so close to the build yet still have questions/concerns/keeping me up at night worries. This forum has been a great relief to find in my hour of need. I have the Tongsheng TSDZ2 motor sitting in my front room...