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Does anyone make a bicycle drive hub w TWO sprockets, one on each side w seperate clutches for an electric bike/trike? Answered

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craftyv

7 years ago

Hi I'm a recumbent rider that wants to go electric and have been searching for answers to simmilar questions. I worked in the bicycle industry to expand my knowledge base unfotunately its not that simple. For a hub to have free wheel clutches on both sides of a hub one of them has to run backwards which just isn't built. Why don't you check out Mike Schumaker's E-Recumbent project out because he's amazing!!

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freddysserpentcraftyv

Answer 6 years ago

Actually there is. They are caled lsd hubs. They are used by some trick riders to put the chain on the left side. Not common or cheap though

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Nate Cougill

7 years ago

Why don't you use a 3 speed internal hub and attach the motor's drivetrain to the sprocket?

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Johenix

7 years ago

I should have said Bike wheel hub with two ratchets/clutchs.
I phoed Ted Wojcik at Ted Wojcik Custom Bicycles and he said that such a thing is made but not comon.

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caarntedd

7 years ago

Can you give a little more detail? I must not understand the question as it seems to be an easy to solve problem.

Do you need two sprockets/clutches on the motor or two ratchet sprockets on the wheel?

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craftyv

7 years ago

Sorry but i'm craftyv's son I have no monikar yet.

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frollard

7 years ago

I've contemplated this many times -- aparently there are a few options: One is have the motor drive chain always moving with the bike, with its associated sprocket firmly attached to the wheel hub, and have either the motor free-wheel, or have a ratchet/clutch on the motor side to stop the motor spinning.

I've even seen someone who milled their disk brake to act as a chain sprocket with some success - same thing, they just had a solid connection on both sides, no double ratchet/clutch.