Rear brake arm problem

[Tony Thomas]

Ok guys. I have a question. I’m trying to build a bike. It’s a single speed with a coaster brake. My problem is the brake arm want to ride on the rear sprocket. How do I fix it to use the pedal brake??

 

[Chainlube]

It would be a lot safer if you could find a rim brake for the front and rear. The coaster brake will have a melt down before too long, and it might possibly take out your wheel when it goes.

If you absolutely have to have the coaster brake, then you have to bend the arm twice, once at the sprocket and then back to the frame.