Science behind the spokes - Bicycle wheel

Why are bicycle wheels made using spokes, and why are they laced the way they are?
Do disc brakes put more load on the spokes?
Good and poor wheel designs.

CONTENTS:
00:00:00 Introduction - hub holding the rim
00:03:40 Spokes vs rods
00:06:59 Radial stiffness
00:08:39 Lateral stiffness
00:13:54 Radial lacing downsides
00:19:13 Cross lacing pattern
00:23:04 Trailing and leading spokes
00:26:00 Pre-tentioned structure
00:27:54 Vertical load
00:36:38 Rim brake loads
00:42:52 Disc brake loads
00:51:08 Why paired spokes suck
00:55:27 Very few spoke wheels
01:02:04 Spokes come in 4-s

Useful LINKS:
If you have any questions, please use the BikeGremlin forum (I try to respond to every comment, but YouTube sucks at notifications, especially when it comes to any follow-up questions):
https://www.bikegremlin.net/

Bicycle wheel building basics explained:
https://bike.bikegremlin.com/9276/bicycle-wheel-building-basics/

Counter-steering explained:
https://bike.bikegremlin.com/2530/countersteering-bicycle-steering/

Jobst Brandt - The Bicycle Wheel (Amazon affiliate link):
https://amzn.to/3fwCEzg

BikeGremlin HUB:
https://www.bikegremlin.com

BikeGremlinTube HUB:
https://www.youtube.com/bikegremlin/

GremlinTube - a complete list of videos, sorted by categories:
https://www.bikegremlin.com/youtube/

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