[polonbike]

Bikes, even muscular ones, can be annoying to pedestrians on thin hiking paths. My take is that even if they allow one/a few/a capped number, then it's out of the bottle, and people will try to game the system one way or another

[sidewndr46]

What is a muscular bike?

[RainyDayTmrw]

Presumably the poster wanted to differentiate e-bikes (electrical motor assisted) with fully human powered (traditional) bikes.

[dylan604]

The type powered by meat motors

[alexey-salmin]

If Ford Mustang was a bike it would be a Richi Hulk

https://www.reddit.com/r/MTB/s/qBcUDZ7rqd