Chain was coming off

WALKERMAN

Esteemed Pedelecer
May 23, 2008
269
0
The chain on my PC Disc kept coming off the rear sprocket this afternoon.

I noticed that the arm that guides the chain was loose and had sideways movement.

I tightened the screw on this arm using an allen key and it seems alright now.

Is that all that is required or should it be at a set torque?

It seems a simple set-up with just the one screw holding it, that I am wondering if there is more to it.