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Team Cycles£15.00Visit shop Topeak Unisex Black Defender M1 Front Mudguard - 27.5 And 29 Inch
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The Topeak Defender M1 Front Mudguard is an essential accessory for mountain bikers riding 27.5 and 29-inch wheels who want to keep debris away from their face and drivetrain. It offers a lightweight, high-impact solution that prioritizes quick installation and broad fork compatibility, though its fixed mounting position may not accommodate every unique suspension arch configuration.
| Material | Polyester |
|---|---|
| Model Part Number | TC9639 |
| Brand | Topeak |
The M1 is specifically optimized for 27.5 and 29-inch wheels, though it may be physically installed on some 26-inch bikes; however, the coverage geometry may not be ideal.
Yes, it is designed for durability and can be left on for all-season riding.
Yes, the high-impact plastic construction is completely waterproof and will not absorb water or mud.
No, the M1 mounts to the steerer tube above the fork arch and does not contact the brake system.
Measure the inner diameter of your fork's steerer tube; use the smaller set for 19.6-26mm and the larger set for 27.7-35mm.
Tighten the quick-release tension by turning the adjustment knob before locking the lever down.
Ensure you are using the correct adapter size range (either 19.6-26mm or 27.7-35mm) provided in the kit.
Adjust the angle of the fender slightly and ensure the mounting wedge is pushed fully into the steerer tube.
To install the M1, insert the correct wedge size into the steerer tube and tighten the quick-release lever until secure. Ensure the fender is centered over the tire and clear of the brake lines. Compatibility covers most 27.5 and 29-inch mountain bikes with 19.6mm to 35mm steerer tube inner diameters. To maintain the unit, simply rinse with water after muddy rides. Avoid using harsh chemical solvents, which may degrade the plastic over time. Periodically check the mounting bolt to ensure the quick-release lever remains tight after long sessions on washboard or extremely bumpy terrain.
