Protect your rear with the Mucky Nutz Fat Butt Fender.

The Mucky Nutz Fat Butt Fender is a compact protector that prevents road grime, mud and debris ruining your ride.

In many ways it's the same as the Butt Fender, with the main differences being the fact it's wider and designed for MTB fatbike tyres, which means it provides superior protection in most conditions. Save your butt with the Mucky Nutz Fat Butt Fender!

Easy to install (see belowand fits as close as possible to the back of your saddle, for optimal muck catching.


The original wide saddle guard, suitable for fatbikes or for those looking for more protection from road or trail grime

Fitted as close as possible to back face for optimum muck catching

Prevents the top of your seat post from getting clogged up

Discrete but very effective

One of the lightest fatbike mudguards available, at just 45g

No need for separate fasteners, making it easy to install and remove

Compatible with all standard double steel rail saddles without any attachment mountings

Easy to clean as it's flexible and opens flat. Simply wipe it and you're done.

Made in Britain


Material: Customized Polypropylene 

Mass: 45g

Length: 340mm

Width: 150mm

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