[DETAIL] Road Helmet Cycling Men's Women's Ultralight Mountain Bike Comfort Safety Cycle Bicycle ?Size 54-61/50-58 Product Information M: 50-58 L: 54-61 Weight: 0.24kg Size: 30*24.5*18 Note: 1. If you choose "Seller's shipping method", please note that this shipping fee is only applicable to some countries / regions, so after you pay, please contact us and we will confirm with you. 2. When the parcel arrives at your local customs, please pay the tax and take the parcel away. We do not bear any customs duties or import taxes. If the customs fails due to the buyer's reasons and the goods are returned or destroyed, we will not refund any money. 3. If you choose DHL, FEDEX, TNT, UPS, EMS, we will help you arrange international express delivery and deliver directly to your address (door to door service)! If the goods are delivered by courier, the buyer is only required to pay taxes upon arrival. 4. Before signing, you must check the package to make sure it is in good condition, and then sign it. If the package is damaged, please take a photo, then immediately complain to the shipping company, remember the complaint number, and then contact me, we will definitely help you. 5. Our working hours: 9: 00-18: 30 Beijing time. In the meantime, we will respond to your message promptly. During the break, we may not be able to reply to your message, please understand. We will reply you within 24 hours. [ATTRIBUTES] - Hign-concerned Chemical: None - Style: Portable - Sport: Other - Hign-concerned Chemical: None - Style: Portable - Sport: Other - Material: ABS - Applicable People: Men - Origin: Mainland China - Season: Universal - Age: >6 Years - Certification: None - Type: HELMET - Model Number: Raceday Road mtbs