Search found 4 matches

by Frefol
Jul 20, 2017 3:07 pm
Forum: Polls & Surveys
Topic: What is your favorite 500W-3000W Direct Drive Hub Motor?
Replies: 39
Views: 10476

Re: What is your favorite 500W-3000W Direct Drive Hub Motor?

The GoSwiss is by far my favorite hub motor. Very bike-like feel to the pedal assist, no throttle, easy installation, bullet-proof reliability, good range from battery versus other systems with equivalent watt-hour capacities.
by Frefol
May 02, 2016 8:27 pm
Forum: E-Bike General Discussion
Topic: Reliability of Impulse Motor
Replies: 11
Views: 1273

Re: Reliability of Impulse Motor

Here is a photo showing components for the primary reduction setup - if that helps
PrimaryReduction - 1.jpg
Impulse Primary Reduction
by Frefol
May 02, 2016 6:39 pm
Forum: E-Bike General Discussion
Topic: Reliability of Impulse Motor
Replies: 11
Views: 1273

Re: Reliability of Impulse Motor

Impulse Motor - 12web.jpg
Impulse Gear Reduction components
Two bearings on the Impulse gear reduction shaft are 608ZZ and 6801Z
Impulse Motor - 4web.jpg
Impulse Motor
Panasonic Bearing is 6003LU
by Frefol
May 02, 2016 1:33 pm
Forum: E-Bike General Discussion
Topic: Reliability of Impulse Motor
Replies: 11
Views: 1273

Reliability of Impulse Motor

I wanted to provide an update on the reliability of the Derby Cycle Impulse II motor system. I own a bike shop in Boulder, CO and used to focus exclusively on electric bikes. I've sold thousands of electric bikes and serviced many of the bikes on the market current and past. I'm a Mechanical Enginee...