Originally Posted by sauerwald
I have SKS and they work.
The front fender broke after about 3 years and several thousand miles, replaced it and continue to ride dry and happy

My sks fenders have survived at least a couple years, a few wipeouts, and even
a raccoon attack. When stressed, they pop out. When not stressed, the stay in. When they pop out, they are easy to pop back in. I am very satisfied.