- Curved design for enhanced protection
- No fasteners needed for attachment
- Easy to store under saddle
- Made from 100% recycled plastic
- Lightweight at just 20g
The Mucky Nutz Mini Butt Fender is a saddle-mounted rear mudguard designed to protect cyclists from the dreaded 'Soggy Arse Syndrome' while riding road or gravel bikes. Its curvaceous design ensures maximum coverage without interfering with the tire, and it attaches easily to the saddle without the need for fasteners. When not in use, it can be conveniently folded and stored under the saddle. Made from 100% recycled plastic, this eco-friendly fender is lightweight, durable, and fully recyclable, making it a sustainable choice for environmentally conscious riders.
Colour: | Reflective |
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Season: | 2025 |

From our early offerings, developed in a garden shed in Yorkshire (yes, that is the actual one), to the range of products developed at our new base in Cornwall, we are no doubt best known for our design protected mudguards.
Light, discreet, yet very effective, our guards are the original flexible guards and are used and endorsed by many pro DH and Enduro teams and riders, but are available to everyone in a variety of forms and colours.
Our aim is simple, it's to protect everyone's vital parts through simple and effective designs. To achieve this we encourage feedback and an exchange of ideas with our customers and biking community, so that we're kept well informed about the demands on our products and riding in general.
Click & Collect Available
• In-stock items usually ready in 4 hours* • Online Only items usually ready in 1-3 working days More info »
Courier Delivery Available
• $9.99 for orders $99 & under • Free for orders over $99 • Bulky shipping fees apply for bikes & bulky items based on item weight More info »