Electric Bicycles: Inexpensive IZIP Sereno Electric Bike

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Product Details

Amazon Sales Rank: #2108373 in Sports & Outdoors

Customer Reviews

Most helpful customer reviews

19 of 21 people found the following review helpful.
Good on level ground, needs redesign for hills
By David J. Kricker
All electric bike manufacturers face the same design problem: limited
battery capacity. A less powerful motor will increase range but
result in decreased hill-climbing ability. A more powerful motor will
handle hills better but drain the battery more quickly.

Currie Technologies, which makes the HG-1000 (now sold as the "Sereno")
has opted for a low-power motor which provides decent speed on the
flats (the stated 15 mph top speed is accurate, at least in my experience)
but requires pedal assistance on steeper hills. Unfortunately, this isn't
a bike which lends itself to pedaling. The crank arms are short as is
the distance from the seat to the pedal. The rider may be required to
put in a fairly heroic effort to negotiate steep hills, and the steepest
ones are beyond the capacity of the bike altogether.

The way to solve this problem is to use gearing. This can be done with existing
technology, and even a three-speed transmission would go a long way to
solving the problem. If done correctly, pedals could be eliminated altogether.
In my view, Currie Tech has missed an opportunity (and a competitive advantage)
by updating the name of the bike but not the technology.

6 of 19 people found the following review helpful.
Shipping Charges Sky High
By Inventor
I have had several items weighing well over 100 pounds shipped by various vendors to NC from CA for under $100. Asking $175 to ship this bike is too much.

Supplier looks greedy! What else is overpriced? The bike too?