Osgear Super Champion.

[Grant]

 

[MattiThundrrr]

Seems like an unwise location for that tensioner. Is that for track riding?

 

[ifitsfreeitsforme]

That can't be a track bike, can it? A pump and brakes? Interesting bike. I'd like to know more.

 

[Grant]

Seems like an unwise location for that tensioner. Is that for track riding?

Road racing.

 

[Grant]

Another one. Not my pic, but the first 2 are mine.

 

[Karate Chicken Industries]

British Small Arms chainring, the only cottered crank I'd ever use.