Care & ownership
Choosing E-Bike Mudguards: Width, Clearance and Mounts
Choose e-bike mudguards by tyre size, clearance and attachment points. Start with photographs of the tyre marking, fork and rear wheel area. Hybrid bike mudguards and fat-bike designs can have very different profiles even when their advertised wheel diameter sounds similar.
Choose coverage for the journey
A full-length guard follows more of the wheel and is useful when regular road spray is the problem. A short clip-on guard may be easier to remove or fit around limited mounting points, but covers a different part of the spray path. Compare where the guard finishes relative to the rider, luggage and the lower front of the bicycle.
If guards are already fitted, identify what you want to improve: a damaged stay, spray reaching a bag, too little tyre clearance or a loose fixing. Sometimes the correct replacement fitting is more useful than changing the whole guard.
Tyre width and clearance are separate checks
Measure the inflated tyre at its widest point, including tread. Then inspect the available space at the fork crown, frame bridges, brake components and rack. A wider guard also needs room to pass through those areas.
SKS recommends a guard roughly 10 mm wider than the tyre, with around 15 mm clearance between tyre and guard. Treat those as that manufacturer's selection guidance, and use the chosen model's fitting instructions for the final dimensions. Its RACEBLADE LONG instructions, for example, specify a minimum 15 mm tyre-to-guard gap.
Wheel format still matters because it determines the guard's curvature. Two tyres described with the same wheel diameter may have very different widths. A 20-inch fat-tyre bike and a narrow-tyre 20-inch bicycle therefore need different fit assessments.
Fitting mudguards for a hybrid bike or e-bike
| Bike detail | What to establish |
|---|---|
| Threaded eyelets and bridges | The guard's bracket and stays reach suitable fixing points without interfering with the brake or wheel. |
| No conventional eyelets | The guard maker provides a suitable adapter or another supported mounting system. |
| Suspension or moving components | The assembly preserves the clearances required throughout the specified movement. |
| Rack, lights and cables | Stays, brackets and bolts leave the equipment and wiring usable. |
SKS supplies a frame-adapter approach for certain guards without eyelets. This gives an additional fitting option to compare with the adapter and bicycle specifications. Include the adapter and fitting hardware when comparing prices.
Prepare a useful fit enquiry
Send the bicycle model, tyre marking, measured width and photos of the fixing points, plus the proposed guard's product link. Say whether a rack or luggage will remain fitted. After fitting, check wheel rotation, steering, brake movement and the firmness of each fixing using the maker's instructions.
For a TXED model, start with a mounting enquiry. Our rain and winter riding guide covers the clothing, visibility and route choices that go with reducing road spray.
Choose the rear mudguard around the complete load
Check the space around the rear tyre with the rack, bag and any carrier fitted. A rear fender needs its intended fixing points and enough clearance throughout normal wheel and suspension movement. Compare where its coverage ends relative to the rider and luggage, then follow the model's fitting instructions.