Converting old Raleigh 3 speed

PedalUma

Well-Known Member
Region
USA
This is not the ideal example but it is what I got today. I am building a bike now and took a couple of photos.

Firstly look for the secret compartment used for hiding extra wire from the display. The yellow one will be chopped and sealed inside the compartment on this build because I do not need it. The red and black will run directly from the inside of the motor to the connector under the battery, where it will be soldered and sealed. The grey tipped black one connects to the display inside the hidden compartment.

Next you can see how I needed to run contiguous shift housing from the shifter, over the bottom bracket and to the derailleur. This bike had bare un-housed cable running under the bottom bracket and that will not work. I do not like zip ties but had to use them for this cable run on this build, so I painted them to match the frame. The battery will be on the seat tube disguised as a water bottle.

Zoom in to view the BB area.
 

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PedalUma

Well-Known Member
Region
USA
Update.
And what it looked like just after I refurbished the frame and installed the headset and fork.
It will be done after lunch.
 

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Antonella

Member
Region
USA
City
New York
Unsure if Mark Stonich is still in business so check before you order https://www.bikesmithdesign.com/CotterPress/cotters.html
I emailed him.
This is not the ideal example but it is what I got today. I am building a bike now and took a couple of photos.

Firstly look for the secret compartment used for hiding extra wire from the display. The yellow one will be chopped and sealed inside the compartment on this build because I do not need it. The red and black will run directly from the inside of the motor to the connector under the battery, where it will be soldered and sealed. The grey tipped black one connects to the display inside the hidden compartment.

Next you can see how I needed to run contiguous shift housing from the shifter, over the bottom bracket and to the derailleur. This bike had bare un-housed cable running under the bottom bracket and that will not work. I do not like zip ties but had to use them for this cable run on this build, so I painted them to match the frame. The battery will be on the seat tube disguised as a water bottle.

Zoom in to view the BB area.
I love the secret compartment!
Have you added a heat sensor to any of you ebikes?
 

Antonella

Member
Region
USA
City
New York
Unsure if Mark Stonich is still in business so check before you order https://www.bikesmithdesign.com/CotterPress/cotters.html
Welcome back Cotter! Yes, he has them available, thanks!

His reply:
Yes. I have standard 9.5mm, Raleigh cut 9.5mm and just a few 9.0mm

Mark Stonich 612-824-2372 (home)
BikeSmith Design & Fabrication 612-710-9593 (work & cell)
5349 Elliot Ave S. Minneapolis, MN 55417 USA
http://bikesmithdesign.com
https://www.flickr.com/photos/bikesmith/
 

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PedalUma

Well-Known Member
Region
USA
Welcome back Cotter! Yes, he has them available, thanks!

His reply:
Yes. I have standard 9.5mm, Raleigh cut 9.5mm and just a few 9.0mm

Mark Stonich 612-824-2372 (home)
BikeSmith Design & Fabrication 612-710-9593 (work & cell)
5349 Elliot Ave S. Minneapolis, MN 55417 USA
http://bikesmithdesign.com
https://www.flickr.com/photos/bikesmith/
Will you be using the aluminum square taper crank arms that come with the kit? They are lighter weight. Sometimes I polish them to match a bike's theme. I am not sure the old arms will fit.
This one is before I learned of the secret area to tuck the extra wire.
 

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Antonella

Member
Region
USA
City
New York
Will you be using the aluminum square taper crank arms that come with the kit? They are lighter weight. Sometimes I polish them to match a bike's theme. I am not sure the old arms will fit.
This one is before I learned of the secret area to tuck the extra wire.
Yes, I will. It's just in case for the other bike that will stay stock.
 
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EMGX

Well-Known Member
If you don't mind keep us updated how things go with your project. Unlike Pedaluma I prefer to use the speedometer/odometer function with the rear wheel magnet pickup (and it is a requirement for my bike with the xh18 display to work without shutting off every several minutes). I did replace the tsdz2 battery connectors with Anderson Powerpoles on the 36v motor (I have had problems with the Anderson connectors breaking and wouldn't use them again) and XT90 connectors on the 48v motor (requires soldering with a decent soldering gun). Depending on your supplier you could consider asking about the small (6 pin) C3 display which is pretty nice and has 5 levels of assist to choose from instead of 4 with the other display/controls. Eco-ebike supplied that display on my 48v version because the xh18 was out of stock so I got lucky on that. Some sellers like eco-ebike might put the connectors of your choice on your motor for you.
 
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Antonella

Member
Region
USA
City
New York
If you don't mind keep us updated how things go with your project. Unlike Pedaluma I prefer to use the speedometer/odometer function with the rear wheel magnet pickup (and it is a requirement for my bike with the xh18 display to work without shutting off every several minutes). I did replace the tsdz2 battery connectors with Anderson Powerpoles on the 36v motor (I have had problems with the Anderson connectors breaking and wouldn't use them again) and XT90 connectors on the 48v motor (requires soldering with a decent soldering gun). Depending on your supplier you could consider asking about the small (6 pin) C3 display which is pretty nice and has 5 levels of assist to choose from instead of 4 with the other display/controls. Eco-ebike supplied that display on my 48v version because the xh18 was out of stock so I got lucky on that. Some sellers like eco-ebike might put the connectors of your choice on your motor for you.
Yes, I will. It's great fun and extremely helpful to get help from you folks.
For starters I want to find a good vendor in the US because I want to be able to return if there is a problem. Seems Amazon only has the higher wattage ones.
I'm lookin at the 250/350w TS with either a Kettle or water bottle shaped battery and a thumb throttle and front and rear lights. I also want to install a temp sensor.
I am not sure which display I prefer yet.
 

PedalUma

Well-Known Member
Region
USA
It was made in Darby, England in 1974 and it is now electric. @Antonella, how is the project?
 

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Antonella

Member
Region
USA
City
New York
Looks great! Love the minimalist design.
I am still trying to get the pedals off
Of my bike. I am
Slow.
Trying to find a 250w/350w Tongsheng motor and it is difficult.
I would like to know what to do when I shift and the S/A gear goes slack and the pedals spin around. Is it an adjustment of the cable or is it the gears inside? And what would happen when that happens with the mid drive installed?
I can switch wheel if necessary.
Thank
You!
 

PedalUma

Well-Known Member
Region
USA
Just saw the old crank arms off if you need to. It does seem odd that the pedals will just spin. That does not sound like an adjustment but more like internal mechanical failure. You could pop on a new wheel with an attached hub pre-laced in. One like this would work. It is a Nexus 8 with a roller brake. The cog is 16-T for a nice top end. Or you could lace in a new hub of the same dimensions as the existing S/A. Or use new spokes with the same rim and make it a five-speed: https://www.ebay.co.uk/itm/18461994...g8fkOoXOb6CnDw%3D%3D|ampid:PL_CLK|clp:2334524

I see this motor on eBay UK: https://www.ebay.co.uk/itm/254894332559?hash=item3b58e2da8f:g:VP4AAOSwE7Nc2mZ~
 

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Dewey

Well-Known Member
Trying to find a 250w/350w Tongsheng motor and it is difficult.
This is a Tennessee based retailer
 

PedalUma

Well-Known Member
Region
USA
I just finished this old Raleigh 3-speed conversion this morning. It was a $150 Craigslist bike with a 3-speed.
750W, 95Nm, 48V torque sensor, no throttle. Trigger shifter to Nexus Inter-7 with internal brake.
The concept was to make a touring bike for all weather that can take roads and trails while providing a comfortable upright riding position with a cockpit that allows for changes in hand positions for long rides.
 

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Al P

Well-Known Member
I just finished this old Raleigh 3-speed conversion this morning. It was a $150 Craigslist bike with a 3-speed.
750W, 95Nm, 48V torque sensor, no throttle. Trigger shifter to Nexus Inter-7 with internal brake.
The concept was to make a touring bike for all weather that can take roads and trails while providing a comfortable upright riding position with a cockpit that allows for changes in hand positions for long rides.
Nicely done. The old Raleigh is new again. :)