How to Install a Mudguard Set on a Folding Bike

By Bicycle Superstore | Published: 2026-10-30

Category: How-to Guides

Learn how to install a mudguard set on a folding bike, including the Dyson Adventure disc model, with clear steps, common mistakes, and practical tips.

Quick Answer

To install a mudguard set on a folding bike, gather the right tools, check compatibility with your brake type, and follow a step-by-step process that includes fitting the front and rear guards, aligning them, and tightening all hardware securely.

Why Compatibility Matters

Before you start, confirm that the mudguard set matches your bike's brake type. For example, the Dyson Mudguard Set for Adventure Disc Folding 20-inch is designed specifically for disc brake models and will not fit rim brake versions. Installing the wrong type can lead to poor fit, rubbing, or even safety issues.

Folding bikes often have smaller wheels (like 20-inch) and unique frame geometry, so a mudguard set made for a standard bike may not align correctly. Always check the product description for wheel size and brake compatibility.

Tools You Will Need

Most mudguard sets come with mounting hardware, but you'll typically need a few basic tools: a set of Allen keys (hex wrenches), a screwdriver (Phillips or flathead), and possibly a small adjustable wrench. Having a clean, well-lit workspace makes the job easier.

Step-by-Step Installation

Step 1: Prepare Your Bike: Place your folding bike on a stable work stand or flip it upside down. Remove any existing mudguards or accessories that might interfere. Clean the fork and rear stays where the mudguards will attach. Check that your bike is a disc brake model; if it's rim brake, this set won't fit.
Step 2: Fit the Front Mudguard: Position the front mudguard over the front wheel, aligning the mounting brackets with the fork's attachment points. Use the supplied hardware to loosely secure the brackets, allowing for adjustment. Don't tighten everything yet—you'll need to adjust alignment later.
Step 3: Fit the Rear Mudguard: Attach the rear mudguard to the frame's rear stays, using the included brackets and bolts. Ensure the mudguard sits evenly above the tire and does not rub against the tire or frame. Leave the bolts loose enough to slide the mudguard for fine-tuning.
Step 4: Align and Center: Spin both wheels and check that the mudguards are centered over the tires. Adjust the angle and position so there's an even gap on both sides. Make sure the mudguards don't touch the tire or the brake calipers. If you hear rubbing, loosen the bolts and reposition the mudguard.
Step 5: Tighten All Hardware: Once alignment is correct, tighten all bolts and brackets securely. Double-check that everything is firm and that the mudguards don't move when you wiggle them. Re-spin the wheels to confirm no interference. After a short test ride, re-check the tightness—vibration can loosen bolts.

Product Spotlight

Dyson Mudguard Set for Adventure Disc Folding 20-inch: The Dyson Mudguard Set for Adventure Disc Folding 20-inch is a sturdy yet lightweight front and rear mudguard set that includes mounting hardware and fits the Dyson Adventure 20-inch disc brake folding bike. This set is purpose-built for the Adventure disc model, so you can expect a precise fit without the need for extra brackets or modifications.
Dyson Mudguard Set for Adventure Disc Folding 20-inch