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Wide mudguard for the suspension fork of mountain bikes or e-bikes: Zefal Deflector FM40 MTB front mudguard

15 October 2025 by Andrew Waldera

Zefal Deflector FM40 MTB front mudguard

Product news: The launch of the Zefal Deflector FM40 MTB front mudguard couldn't have been timed better. In keeping with the current foul weather—and with a few months of rain still ahead—the new mudguard is designed to provide effective protection against water and mud splashes. The Deflector FM40 is designed for extra-wide tires up to 3,0".

The Deflector FM40 mudguard can be attached to the suspension fork of mountain bikes or e-bikes to effectively protect the bike and rider from water and mud splashes. The rubberized Velcro straps make installation simple, effective, and universal. The Deflector FM40 is suitable for extra-wide tires up to 3,0" and is made of robust plastic. The side panels are designed to provide unique protection for the fork tubes from dirt.

Zefal Deflector FM40 MTB front mudguard



The mudguard can also be permanently mounted using an adapter for forks with a thread in the triple clamp. Two adapter models are available: the FZ01, compatible with Fox 32, 34, 36, 38, and 40 (2021), AWL, Öhlins, SR Suntour, and Marzocchi (with Fox suspension), and the RZ01 for Rockshox Zeb, Domain (2021), Lyrik, Pike (from 2023), AWL, Recon 35 Gold RL, Silver R, and TK. The price for the MTB front mudguard is €19,95, and it weighs 156 grams.

Specifications

  • Material: polypropylene
  • Tire sizes: 27.5″ / 28″ / 29″
  • Recommended maximum tire width: Up to 3.0″ / 76 mm
  • Attachment: On the fork with included Velcro straps
  • Dimensions: 560 x 90 x 170 mm
  • Optionally available adapters for fixed mounting on the fork (price per adapter 9,95 Euro)
Zefal Deflector FM40 MTB front mudguard

Zefal Deflector FM40 in video



Web: www.zefal.com

Tags:wide tiresFeatherballNewswheel guardFenderaheadZefal Deflector FM40

More than Andrew Waldera

Andreas Waldera has been working as an online editor and test driver for many years. With his roots anchored in BMX and downhill, biking can't be rough enough for him. Born in the Lower Rhine region, he moved to the beautiful Eifel region to pursue his passion for cycling.

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