The Butt Fender is the original saddle guard. This clever rear mudguard is lightweight, discreet and requires no fasteners or tools. Developed for MTB and equally suited to commuters Helps to prevent 'soggy arse syndrome' Stops the top of your seat post from getting clogged up Discreet and very effective No fasteners required! Our simple, clever design is quick to fit and secure once in place Compatible with most standard double steel rail saddles that don't have any daft plastic moulded bits in the way Easy to clean as it's flexible and opens flat. Simply wipe it and you're done Weight 30g