The Bell Avenue Road Helmet proves that a lower price does not always mean some sort of compromise. Packed full of features, including sculpted vents and a graceful shape. Bell included the same features and careful touches that define our flagship helmets, such as our Sweat Guide liner and NoTwist Tri-Glides for ease of adjustment. Bell Avenue Road Helmet Features No-Twist Tri-Glides™ Sweat Guide™ Bell Avenue Road Helmet Specifications Certifications: CPSC Bicycle, CE EN1078 Ventilation: 18 Vents  Construction: Fusion In-Mold Polycarbonate Shell Fit System: Ergo Fit™ Weight: Non-MIPS, 260g (size U) Size: Universal Adult 54–61cm