Recent content by frankus_

My bike has two brake levers, to which I've fitted 3-wire (presumably) hall-type switches. Unfortunately the Cycle Analyst only has one brake connector, so I either need to pick a brake or somehow multiplex the one connector. I can't be the first one to run into this issue, but unfortunately I...

I'm in the middle of installing an E-Rider BB torque sensor, and when I fully tighten the chainring spider to the thing that it bolts to, there is about 4mm of screw protruding on the inside. It rubs up against the drive-side BB bearing/shell long before the bolt can be fully tightened. The...

I made a post about this on my blog: https://metromotive.com/blog/2021/06/18/inertial-electric-assist.html If nothing else, this seems like a neat and inexpensive way to make regen braking proportional—almost exactly like a trailer brake controller for towing a trailer with...

I'm interested in building a pedal-assist system that measures acceleration and sort of back-calculates the rider's power input and uses that to control the motor input. The basic idea is you estimate/measure/input the overall mass, and combined with the acceleration gives you the sum total of...

I'm using the bindings, and it feels like they're necessary at least until you get up to a stable speed. And so far I haven't tried kicking it. I've been grabbing onto a signpost, stepping onto the board, and giving myself a little push.

I'm working on a Dirt Surfer conversion right now. I was able to pick up what I think is a GP-16 unit on eBay for $375. (I had also emailed someone at DirtSurfer International, who replied that they still have some in stock in Ontario but at $550 plus shipping.) I've only been able to ride...