Mini Butt Fender
Tax included
Protect your prized posterior from ‘Soggy Arse Syndrome’. Lightweight, discreet and very effective, the Mini Butt Fender keeps your backside clean, comfortable, and happy.
Available in stealthy black or high-vis reflective for safety-conscious riders, it tucks neatly under the saddle until called into action.
Made in the UK from 100% recycled plastic.
Technical Shizzle
- Works well with all bikes with tyres up to 55mm wide
- Fits most standard double-rail saddles
- Blocks mud and water from soaking your backside
- Folds and tucks neatly under the saddle until needed
- Made from Mucky Nutz signature high-performance material
- Tool and fastener-free, fitting in seconds
- Ultra-lightweight
- Specifications: 20g, 330mm length, 100mm width
Eco Credentials
- Made in the UK from 100% recycled plastic
- Ships flat to cut packaging, storage, and transport emissions
- Built to last, not for landfill
- No packaging, zero, zilch, nada, nowt
- Fully recyclable
Perfectly paired with
what makes it great
- Feather-weight peach protection
- Minimalist design
- Tool and fastener-free installation
- Stores under the saddle until needed
- Made in the UK, from 100% recycled plastic
- Zero packaging and single-use plastic
- Fully recyclable
Curvalicious
Having curves in the right areas, the Butt Fender offers greater protection for your perfect peach while eliminating any possibility of it getting caught on your tyre, at full drop - the fender, not your butt.
OUT OF SIGHT, NOT OUT OF MIND
During those dry spells, just fold and store the fender under the saddle, whipping it out when the rain clouds appear.
Eco-Savvy
UK-made from 100% recycled, fully recyclable plastic, the Butt Fender uses our signature high-performance material.
No fasteners needed, it clips straight to your saddle rails, and with zero packaging, it’s just as kind to the planet as it is to your backside.
FAQs
What bikes does it fit?
The Mini Butt Fender will fit any bike with standard saddle rails, regardless of wheel diameter. It’s best suited to bikes with narrower tyres (up to around 55mm), including road bikes, gravel bikes, commuters, and kids’ bikes.
What does it do?
It protects your backside from mud, water, and spray when conditions turn soggy, keeping you drier, more comfortable, and free from ‘Soggy Arse Syndrome’.
How do I fit it to my bike?
Quick and simple. The Mini Butt Fender slots between your saddle rails - no tools, straps, or fasteners required. It can also be stored under your saddle until needed.
Follow the Fitting Guide for a quick visual if you need it.
Can I leave it on all year?
Yes. It’s lightweight, discreet, and quiet, so you can leave it fitted all year round or keep it tucked away under the saddle ready for a rainy day.
What’s it made from?
Mucky Nutz signature, recycled polypropylene - lightweight, flexible, UV-stable, and tough enough to handle all-weather riding.
Will it get in the way?
No. Its slim, compact design stays clear of your legs and pedalling, and won’t interfere with dropper posts.
How do I clean it?
Just give it a quick rinse or wipe down after your ride. Avoid strong solvents to keep the graphics looking fresh.
