48 I General User Manual22 Lighting systemIn some EU countries, only lighting systems that areprescribed by national legislation (the Road Traffic Li-censing Regulations (StVZO) in Germany for example)and have been approved for use may be installed onbikes. If in doubt, ask your specialist cycle shop.22.1 Specifications for lighting system• At a distance of five metres, the cone of lightthrown by the front light must be at half the heightof its exit point. The centre of the cone of lightdetermines its height.Aligning the front light5 m0.5 me. g. 1 m• The cone of light thrown by the front light mustonly light the road for ten metres at the most. Thecentre of the cone of light determines its distance.22.2 Special regulations for road bikes• You can fit battery-operated front lights and rearlights to sports bikes with a maximum weightof 11 kg (road bike). Please familiarise yourselfwith the applicable regulations and, if applica-ble, have the bike refitted.• Always carry these with you.• Dynamo-operated lighting systems must be usedwith bikes that weight more than 11 kg. The light-ing system must come with an official test mark.Please familiarise yourself with the applicableregulations and, if applicable, have the bike refit-ted.22.3 Generator / dynamoThe dynamo produces the energy required to operate thefront and rear lights. There are different types of dynamos.22.3.1 Sidewall dynamoSidewall dynamoThe dynamo must be positioned so its longitudinal axisis perpendicular to the wheel axle. The roller must be incontact with the designated traction surface on the tyreacross its entire width.Only switch the dynamo on and off when the bike isstationary as otherwise you could put yourself andother road users in danger. The sidewall dynamo isless effective in wet conditions. Provide additionallighting if necessary.22.3.1.1 Switching the sidewall dynamo on and off› Switch the dynamo on/off via the pushbutton orthe lever. The traction roller is now on the tyresidewall.› To switch the dynamo off, pull it away from the tyreand guide it into its starting position. The dynamoengages in the starting position.
