This helmet is designed for both road bikes and MTBs, with a detachable visor allowing you to switch between a road bike helmet and an MTB helmet. The streamlined design with 23 ventilation holes provides excellent airflow for efficient heat dissipation and cooling, keeping your head feeling fresh. The 3-in-1 all-around adjuster system allows for fine-tuning of the side ears, chin strap length, and head circumference. OUTDOORMASTER Bicycle Helmet Road Bike MTB Dual-Use Helmet ASTM Safety Standard LED Light Magnetic Goggles Visor Included 100% EPS Integrated Molding Technology Ultra-Lightweight Breathable Cycle Helmet Commuting School Cycling 3D Protective Cushion Adjustable Size /L (54-62cm) ----------------------------------------------- We have many other products available, so #Miyako'sListings ← Tap to take a look♡ #Miyako'sSportsGoods is here♡ ＊Instant purchase welcome ＊Welcome to bulk purchases, feel free to comment ＊Free shipping! ・Please understand that items are stored at home and will be shipped in simple packaging. There may be cases where we ship the item without the box. Please understand. ・Please check the actual photos for the condition of the product♪ ----------------------------------------------- 34-48.48-45-25