Highly ambitious helmet R2 PRO-TEC is ideal for cyclists who cannot be satisfied with the compromise. Underlines the sporty look of this unique helmet that offers maximum comfort while maintaining a low weight and high safety through IN-MOLD high technology. 23 vents weight of 230 grams and two axis adjustable mounting system = super comfort of Pro Tec helmets. See for yourself. Size description: M: 56-58 cm Weight: M: 220 g Number of ventilation holes: 23 The durability of the helmet is guaranteed by proven safety according to the CE EN 1078 standard Spare padding of helmet included FREE