Optimized gear combination and gear ratio for trail riding by front and rear system

unpaved roads or off-road

Auto start / stop

and a perfect fit

You can choose every Marathon for your E-Bike (E-25)

MUC-OFF Bio ChainDegreaser - 500ml Aerosol Compatio_Enriched Optimized gear combination and gearWater Soluble Bio Degreaser quickly and safely eliminates built up oil, grease and grime on metal, plastic, rubber and seals. Its unique, biodegradable formula means that after use it can be quickly rinsed away with water to leave your greasy bike parts completely clean. Works on even the toughest of grime including waterproof grease and chain lube residue. Bio Formula easily cuts through tough grease Can be used on chains, gears, mechs and individual