Bio Filth Fighter is a powerful, ready-to-use bike cleaner, developed in collaboration with professional mechanics and used by World Tour-level riders. The formula is designed to quickly and thoroughly remove dirt without risking damage to sensitive components. Mud, dust, salt residues, and caked-on grime are effectively loosened without the need for scrubbing. Even sticky residues from sports nutrition, such as gels or sugary drinks, are effortlessly dissolved. Ideal for performance-oriented cyclists who want to maintain their gear at a pro level, no matter the terrain or conditions.

Features
Professional cleaning performance
Effectively removes both organic and inorganic dirt, including mud, sweat salts, sports nutrition residue, road salt, dust, and grease – without causing corrosion or leaving deposits.

Safe for all materials
Safe to use on carbon, aluminum, steel, titanium, and ceramic coatings. Will not harm bearings, seals, brake rotors, or anodized surfaces.

Trusted by pros
Tested and used by professional mechanics and athletes in the toughest road, gravel, and MTB conditions.

Biodegradable formula
100% free from microplastics, solvents, and other harmful substances. Safe for your bike, your health, and the planet.

Ready to use
Supplied in a convenient spray bottle. No dilution or prep required.

Versatile application
Perfect for anything from daily cleaning to deep maintenance of road, gravel, MTB, and e-bikes.

Application
1. Rinse off surface dirt like mud or sand with water.
2. Spray Bio Filth Fighter evenly over the frame, drivetrain, and other dirty areas.
3. Let it sit for 2–3 minutes to allow the active formula to loosen the grime.
4. Use a brush if needed to tackle stubborn residues like chain oil or dried sports nutrition.
5. Rinse thoroughly with clean water. Dry the bike for a perfect finish and optimal prep for lubrication or wax.