I've just bought a giant simple 3 cruiser it has a nexus 3 speed hub and yesterday I was screaming down a long hill and towards the end when I started to break it was really noisey. It was a loud high pitch squeaky noise.
Is this normal?
Do/can these kind of brakes fail?
I'm going to go to the sheldon web site to see how these brakes work.
surly steamroller w/coaster brake, electra single speed cruiser, specialized rockhopper commuter, no-name single speed folder, 700c ultimate wheel, 24" unicycle, specialized bmx lsd, single seat single speed huffy tandem, pink upsidedown parade bike
Everything can/does fail.
Hopefully all you did was overheat the brake and boil out the lube. If so you should be able to re-pack it and go on your merry way.
There are all sorts of little fiddley bits inside a nexus hub. If you have any doubts about your ability to work on one, take it to a dealer. It is also important to use the right lube.