Carbontracking
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Just for reference, I think the motor on the prime e+ is this one. http://global.yamaha-motor.com/news/2013/0827/pas.html Giant call it syncdrive
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Do you have any more information on this ? This might also be the "problem" with my Yamaha motor.
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Another thing I've noticed about the prime e+ is that you can feel the same resistance if you push the bike backwards. The pedals are then turned by the reversing rear wheel and you can really feel the resistance. Now what I need to find out if there is some kind of maintenance that would minimise this resistance.
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I'll say that it's not difficult to check the resistance on my prime. If you're used to normal cycling then the extra effort required with power off is immediately noticeable. Even more so as you go to the lower gears, I.e. Where you need to pedal more. This would make sense to me as you're doing more pedal revolutions and each revolution offers the same resistance.
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Yes, the prime matches your effort, I think that is common to most pedelecs, isn't it ? On the prime you can really feel the difference between the different modes, sport, normal and Eco.
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I bought one of these bikes two months ago. I use it for my daily 10km commute and I reckon the range is about 40km, 25 miles. The sport mode will get you trotting along at 25km/h easily without breaking a sweat, that's the mode I'm getting the 40km range with. It does exactly what I need but I will say that cycling without the motor on (I've 25 years of normal bike commuting on the clock) is like cycling with brakes slightly pulled, there's a definite resistance that you mightn't mind if you crawl along but I definitely consider it noticeable and a pain, I.e. Forget any plans on doing any cycling trips beyond the electric range. I've brought this up with the boys in the shop and they're like all surprised and saying they hardly notice it but I think this should be up front when selling this bike. If anyone can give an explanation for why a mid mounted motor gives so much resistance I'd love to hear it, or to know if wheel mounted motors have the same problem/feature.