p.s. The Snap Deck had a bit of a "soundboard" effect. It can slightly
amplify whatever sound your assist system makes if you have a rear
motor. On mine the gentle hum that it can produce at higher power
settings (or regeneration) becomes audible with the Snap Deck on.
I ride a BionX PL-350 system on my Xtracycle but have a fair bit of
experience with most (or just about all) of the other systems that are
Juergen Weichert wrote:
> A brushless (gearless, direct drive) hub motor system is virtually silent.
> Motors with some internal gearing are a bit louder - usually having a
> slight "whine".
> Systems using an external chain drive make noise too.
> Basically the more mechanical components are moving the more noise it
> will be.
> In most cases all of these sounds are drowned out by the wind past your
> ears and the ambient traffic sounds.
> Philip Chase wrote:
> > So how quiet are e-assist systems? I'm considering one--maybe for
> > this summer--but I would hate to do it if it made my rig noisy. For
> > me silence is golden on a bike. If I wanted a noisy ride I'd get a
> > scooter. So which e-assist systems are quiet?
> > I confess I am partial the StokeMonkey, but it's hardly an informed
> > decision. I just like the idea of having it use the same transmission
> > I do to get me torque or speed as needed. The web site says it's
> > "virtually silent", but who knows how it quiet it really is until you
> > hear one.
> > Philip