Hi From The Midlands

[artisticdiyer]

joined as i am looking to make a diy ebike to make my daily commutes cheaper and easier!
i have this bike

which i bought a few weeks ago an want to convert it with this kit,

48v 1000w ebike kit


wish me luck

the only thing i dont understand is the as says needs a 17ah battery? can i not go below 17ah?

Thanks AD

 

[Alan Quay]

Is that a direct drive motor kit? If so, why do you want that?

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[artisticdiyer]

Is that a direct drive motor kit? If so, why do you want that?

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i am not sure i will have a look at the ad.

 

[artisticdiyer]

• 45 - 48 KM/H top speed
• Provides you with a whole wheel with tire, not just the tire frame Takes less than hour to install
• Quiet and reliable brushless gearless hub motor
• Motor specifications: 48v / 1000w / 470rpm
• High motor efficiency: >80%
• Motor diameter: 245mm
• Drive system has no moving chains or gears, no friction, more efficient, less chance to break!
• Brake shuts off motor automatically, saves energy, improves safety!
• Thumb throttle with 3 LEDs indicator lights
• It's for bicycle only.

Package Includes:

• Powerful 1000W 48V brushless hub motor
• 26" front wheel (the whole wheel with tire!)
• Electric controller
• 2 brake pullers & handlebar grips
• Thumb gear changer with battery power indicator
• Controller Bag
• Pedal Sensors
• Battery not included

 

[Nealh]

More than likely a D/D drive , can't say have seen any 1kw geared hubs the nearest I've seen is the Q128h. Generally those D/D kits are very heavy and have a high speed winding with low torque so not very good for its climbing ability. Several on here have bought similsr kits but as yet we have seen no real world reports of decent rides and the kits ability backed up by some data.
Edit;
Just seen the specs posted as expected 470rpm you will be iucky to get that to climb a speed hump . Before you waste money on that kit, ideally a test ride on a bike fitted with one would be a good idea up a hill.

 

[Alan Quay]

It's would be best if you could tell us all what you are trying to achieve. Direct drive is rarely the correct answer.

We need to know:

How far, how fast, how heavy. How hilly, how handy, how fit.

If you answer these questions you will have a much better chance of getting the correct kit.

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[OldBob1]

Is that a front wheel kit?

 

[D8ve]

I wouldn't bother with that kit. You have front disk brakes. DD motors struggle with torque(grunt). If it has any it's not good with front forks unless they are steel.
The speed will make you stand out and risk your driving licence.
If it is 1kw it would flatten even a 17ah battery in half an hour.
And 36 volt systems are more common. So better price and availability.

 

[soundwave]

you can get hub drives with massive grunt and top speed just not those types and speed drains a batt fast so will need a big un see 2nd vid.

 

[artisticdiyer]

Thanks for all the replies I don't live in particular hilly city and need it to do about 10 miles a day maximum just to work and back I am not exactly physically fit at the moment will be pedaling quite a lot also just a little push to help when I am on a long uphill.

 

[artisticdiyer]

Also yes a front wheel kit

 

[soundwave]

might cost a bit more but be better of with one of these and look better

http://www.ebay.co.uk/itm/Bafang-250w-36v-Mid-Drive-eBike-Electric-Bike-Conversion-Kit-No-Import-Tax-/112026527767?hash=item1a154d2817:g:yNIAAOSwu4BVwj1z

 

[Alan Quay]

You don't say how much you weigh, so it's difficult to give an answer, but I agree with others, a DD kit is probably the wrong way to go.

If I were you, I'd be looking for a rear wheel kit, with a geared hub motor (Bafang/8fun SWX or similar) and a downtube mounted battery of about 10Ah at 36v. Panda bikes sell all kinds of kits in UK.

I don't know how long that BOSS will last doing 10 miles a day though, so be prepared to move the kit to another bike at some point. It would be worth keeping an eye out for a second hand bike locally. Something like a Trek, GT or specialized.

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