KABUTO Bicycle Matte Sizes JCF Certified AERO-R2 Helmet, White, S/M (Head Circumference 55cm-58cm),

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

Dominate the wind. An aero road bike that inherits the genes of the track aero helmet that has attracted worldwide attention. Size (reference weight): S/M (N.A.) Head circumference: 55-58cm Aerodynamic performance thoroughly pursued and proven through CFD analysis and wind tunnel testing. "Air Tunnel Structure (PAT.P)" improves aerodynamic performance by streamlining the air. Employs the "KBF-2" adjuster with the Boa fit system. New headrest mechanism allows for two-stage adjustment on both sides. Patented aerodynamic device "Wake Stabilizer (PAT.)" Equipped with a shield that takes into consideration interference with glasses. Uses COOLMAX to maximize air cooling effect. Includes Ultra Sweat Pad-03. Includes eyewear hold function and non-slip rubber-02. Chin strap made of deodorizing fiber MOFF with added water repellency.