This item may be available in a different size, colour, scent, version or platform:
Mucky Nutz Fat Butt Fender, Black
It is fitted as close as possible to back face for optimum muck catching
It prevents the top of your seat post from getting clogged up
Discretion is its middle name; It's small but effective
It's possibly the lightest fat bike mudguard available, at just 45g
It's compatible with all standard double rail saddles, so long as they don't have any daft bits hanging off the rear
A butt fender for fat bikes. This little fat fender attaches to the saddle rails, with no need for additional fasteners, and hangs over the back wheel, protecting the rider against "soggy arse syndrome".