~ the number of studs must not exceed 20 per any chosen decimetre of the wheel circumference. Counting the number of studs will be done within any 30 cm. Section. Where not more than 60 studs may be found.
b) studded tires for trucks are permitted by EASU technical regulations:
The manual extinguishers are compulsory in all groups. A first aid kit an a reflecting triangles are obligatory in every car (a flashlight with yellow beam also strongly recommended for warning following cars)