The Sport Direct 18 Vent E-Bike/Bike Helmet in Graphite is a high-quality protective gear designed for both casual and serious cyclists. This helmet is an excellent choice for e-bike enthusiasts and traditional cyclists who prioritize safety, comfort, and style. Ventilation Equipped with 18 air vents, including 7 rear ones, it ensures maximum cooling and airflow, keeping the rider comfortable during long rides. Durability The helmet features in-mould construction, fusing a polycarbonate outer shell with an EPS foam inner core for a lightweight yet strong build. Comfort It includes a unisize adjustment headlock system at the rear for a perfect fit, along with a padded chin strap buckle protector for added comfort around the chin. Protection The Sport Direct visor can be easily removed in seconds, Ideal for sun, mud, dust eye protection and aerodynamics, reducing eye fatigue. The helmet can be used with or without the visor attachment. Depth: 140 MM Height: 270 MM Width: 210 MM Cycle Accessories Type: Bicycle Helmet Suspension: N Helmet size is 58-61cm There are 18 air vents for maximum cooling (including 7 rear). Front mesh is attached to the front vents for prevention of Bee and Wasp stings Its in-mould construction fuses the polycarbonate outer shell with the absorbing EPS foam inner core, giving you a lightweight and strong helmet The Sport Direct visor can be easily removed in seconds, Ideal for sun, mud, dust eye protection and aerodynamics, reducing eye fatigue SD bike/E-bike helmets have adjustable unisize headlock systems,multi adjusting buckles for maximum ergonomic comfort, quick attachment and release Adjust the side straps and lock them into place with the micro Sport Direct Lock System,chin buckles and pad are also fully adjustable. The helmet comes with a 3-year crash helmet replacement policy. The scheme offers the chance to replace your helmet at a discount Proof of purchase is required following a genuine accident resulting in damage to the helmet. Please see instruction manual & product packaging