Bafang rear hub conversion

Electrically assisted bikes, trikes, etc. that are legal in the UK
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roberts8
Posts: 557
Joined: 20 May 2011, 9:14pm
Location: Surrey

Bafang rear hub conversion

Post by roberts8 »

If I fit a bafange rear hub, what set up will give me a a possible 50 miles on eco power and moderate hills. Also, I have a front triple with 8 rear so can I use the triple or do I need to stick to the middle ring.
Advice will be appreciated as no need to over spec .
UpWrong
Posts: 3197
Joined: 31 May 2009, 12:16pm
Location: Portsmouth, Hampshire

Re: Bafang rear hub conversion

Post by UpWrong »

It depends how much power ECO setting uses. I'd say 575Wh minimum battery. And you can keep the triple.
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bikes4two
Posts: 1400
Joined: 12 Jan 2010, 10:14pm
Location: SE Hampshire, UK

Re: Bafang rear hub conversion

Post by bikes4two »

roberts8 wrote: 10 May 2025, 3:21pm If I fit a bafange rear hub, what set up will give me a a possible 50 miles on eco power and moderate hills.
That's a bit of a 'how long is a bit of string' question. Variables such as bike weight/type, rider fitness/ weight and so on, all have a bearing and as previously mentioned, how much power is the ECO mode delivering (not a standard amount as this will depend on the system controller settings).

I'm a heavy rider (92Kg) and use ECO on my 20Kg shopper (TSDZ2) and ECO on my 13Kg road bike (front hub) and with a 300Wh battery get around 45 miles on the first bike and 55 miles on the second one.

Horses for courses!
Without my stoker, every trip would only be half a journey
stodd
Posts: 817
Joined: 6 Jun 2018, 10:24am

Re: Bafang rear hub conversion

Post by stodd »

bikes4two wrote: 15 Jun 2025, 10:42pm That's a bit of a 'how long is a bit of string' question. Variables such as bike weight/type, rider fitness/ weight and so on, all have a bearing and as previously mentioned, how much power is the ECO mode delivering (not a standard amount as this will depend on the system controller settings).
Look at https://www.bosch-ebike.com/en/service/range-assistant
That is for Bosch powered bike, but ...
It gives a pretty reasonable idea of range for any bike with a little interpretation (motor type, assist settings).
It gives a very good idea of how the different parameters bikes4two mentions affect range.
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