Thank you for viewing (*˘︶˘*).｡.:*♡ ♡ Items are in stock, so if you like it, please purchase without commenting. ♡ We are selling at the lowest possible price, so no price reduction is possible. ♡ Please be sure to read the profile. ♡ We will ship within 24 hours whenever possible. *:..｡♡*゜¨゜゜・*:..｡♡*゜¨゜゜・*:..｡♡*゜¨゜・*:..｡♡*゜¨゜゜・*:. Helmet lock holder recommended for preventing theft of bicycle and motorcycle helmets. Can be installed on pipe sections up to approximately 27mm in diameter. Installation tools are included, so you can set it up immediately. For commuting where helmet use is mandatory! When there are items in the motorcycle's helmet-in storage! For those who find opening and closing the helmet-in storage troublesome! For motorcycles without a helmet storage space, or when riding with a passenger! 《Product Details》 Brand new Size: Please refer to the 3rd and 4th images for the size of each part. Can be installed up to approximately 20-27mm in diameter. Color: Black Set contents: Holder body (including bolts, etc.) Keys: 2 Hex wrench: 1 Installation method: 1. Pass the washer through the screw. 2. Decide where to fix the key. 3. Pass the screw through the key and tighten it lightly with your fingers. 4. Tighten with the tool to complete. 《Packing and Shipping》 We will ship by regular mail with simple packaging.