Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
foxyv
on Sept 26, 2019
|
parent
|
context
|
favorite
| on:
Ceramicspeed chainless bike can nows shift gears a...
This shaft drive uses bearings for the contact between "bevel gears", making it a LOT more efficient.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: