Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
michaelt
on Jan 23, 2025
|
parent
|
context
|
favorite
| on:
Turn any bicycle electric
The video is a bit strange:
https://youtu.be/SFsnS0Yb1Bs?feature=shared&t=96
It appears to show the front sprocket spinning, but the pedals stationary.
I assume this is a "freewheel crank"
https://en.wikipedia.org/wiki/Front_freewheel
Consider applying for YC's Fall 2026 batch!
Applications
are open till July 27.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
I assume this is a "freewheel crank" https://en.wikipedia.org/wiki/Front_freewheel