Originally Posted by
augustao
Get aluminum fenders. They offer more coverage, and due to their edges being rolled up, the water doesn't leak from the sides of the fender. They also flex a lot less due to their stiffer stays and weigh less too.
They also pick up a lot more stuff from the road and get caught on things(like other bikes in the bike rack). which can be problematic if something which would normally flop out through a rubber flap hits a hard aluminum flap and then gets sucked up into your wheel.