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Electric Assist Conversion Kits

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dspp
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Re: Electric Assist Conversion Kits

#320813

Postby dspp » June 23rd, 2020, 4:35 pm

tea42 wrote:After my lifetime pal, a fellow engineering apprentice, fitted a conversion kit

https://www.bikester.co.uk/ortler-bozen ... 01047.html


t42,
Can I ask why conversion kit you bought, and why did you junk it please ?
regards,
dspp

tea42
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Re: Electric Assist Conversion Kits

#320861

Postby tea42 » June 23rd, 2020, 7:04 pm

It wasnt me, it was a pal who fitted the front wheel motor to his Raleigh. He found there were dangerous issues with torque steer, slippage and skidding ascending slippery or gravel hills. So, it wasnt a technical or quality problem with the kit, just the front wheel drive concept on that particular bike. I know people with FWD kits fitted and some realise their problems, others just accept the problems because its an inexpensive route to an ebike. I know several folk with Bafang bottom bracket mounted motors who really rate them.

servodude
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Re: Electric Assist Conversion Kits

#320932

Postby servodude » June 24th, 2020, 2:08 am

Tried a friend's bafang equipped hybrid bike recently
- mid-drive motor (750W) and the bike came with a link to get a 250W decal from ebay
- it was bought assembled by a local dealer (who looks like he needs a new bottom bracket tool)
- needless to say it's been "liberated" form the legal speed constraint

It's fun I'll grant you that
- but you could feel the motor and battery get noticeably warm though
- and I think that the rest of the bike isn't up to the constant 50km that it will likely be subjected to

Certainly it felt easier to steer than a hub conversion I'd tried previously (due I'm guessing to the added weight being in the same line as mine)

In a different bracket I have tried another friend's Giant Trance E+ 3 Pro and the next time he lets me near it he'll have his job cut out trying to get it back

- sd

dspp
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Re: Electric Assist Conversion Kits

#320969

Postby dspp » June 24th, 2020, 10:00 am

servodude wrote:Certainly it felt easier to steer than a hub conversion I'd tried previously (due I'm guessing to the added weight being in the same line as mine)

- sd


= It is likely primarily the torque steer issue, not the weight itself.

tea42 wrote:It wasnt me, it was a pal who fitted the front wheel motor to his Raleigh. He found there were dangerous issues with torque steer, slippage and skidding ascending slippery or gravel hills. So, it wasnt a technical or quality problem with the kit, just the front wheel drive concept on that particular bike. I know people with FWD kits fitted and some realise their problems, others just accept the problems because its an inexpensive route to an ebike. I know several folk with Bafang bottom bracket mounted motors who really rate them.


= Thank you t42, food for thought. Do you happen to know what motor rating (W) it was.

regards, dspp

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Re: Electric Assist Conversion Kits

#321012

Postby tea42 » June 24th, 2020, 11:52 am

The kit my friend had was Cyclotricity, it was a 250w motor. He says they are a very good company, helpful and easy to communicate with.

https://www.cyclotricity.com/uk/

dspp
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Re: Electric Assist Conversion Kits

#321037

Postby dspp » June 24th, 2020, 12:43 pm

tea42 wrote:The kit my friend had was Cyclotricity, it was a 250w motor. He says they are a very good company, helpful and easy to communicate with.

https://www.cyclotricity.com/uk/


thanks, dspp


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