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Old 11-17-11, 04:43 AM   #1
david1949
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Throttle speed

I sometimes have to rest my knees when cycling but i fine that the throttle speed is not good on my E bike so would someone on the forum know how to derestrict the E bike please.
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Old 11-17-11, 08:06 AM   #2
powell
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what ebike are you talking about , there are tens of models, some not restricted in anyway, how do you know is restricted?
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Old 11-17-11, 08:35 AM   #3
david1949
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All E Bikes bought in the U K are restricted to 15 M P H the bike i have got is a Oxygen




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Originally Posted by powell View Post
what ebike are you talking about , there are tens of models, some not restricted in anyway, how do you know is restricted?
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Old 11-17-11, 08:58 AM   #4
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Keep in mind that the windings on a motor are setup for a specific range of RPM. Most electric bike motor manufacturers don't just limit the motor to 15-20MPH, they build the motor to travel at this speed at full voltage (this also means the motor is performing near peak efficiency at these speeds too). You can make the motor go much faster by boosting the voltage, but then you will need a new speed controller, and will run a very real risk of frying the motor during an acceleration or while climbing a hill.
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Old 11-17-11, 09:07 AM   #5
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Another idea for the knees would be to take your bike to a local bike shop and get the bike properly fit. Also, if you pedal at a slow cadence, this can also hurt your knees pretty fast, so a lower gear and a higher cadence will help a lot. Knee pain can also be from having the wrong size,shape pedal for you feet (I've definitely had this happen to me). All in all, a local bike shop should be able to look at your fit on the frame, as well as your riding style, and figure out where the pain is coming from and how to fix it.
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Old 11-17-11, 10:32 AM   #6
david1949
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Ok it looks like i have to except 15 M P H i have already changed the chainring from 52T to 48T and this has helped a bit if i could turn back the clock back i would buy a light weight 21gear bike and put a E kit on it.
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