{"type":"firestarter.listing","listing":{"id":"lst_DiTzUj6b","product_name":"King Cage Universal Support Bolt","category":"Accessories","description":"The Universal Support Bolt or USB is used to add a braze-on support bolt to a section of your bicycle where there isn't one there already. A lot of folks find these handy for adding additional water bottle cages to their bicycle frames, but our favorite use is adding them to your fork to enable to use of our Bootlegger Fork Bag. If you are using them for our Bootlegger you will need 3 Universal Support Bolts per Bootlegger. Either way, they are wonderful, easy to use and made in Colorado! \nWe stock the two most common sizes:\n\n1 3/8-inch for steel frames and forks\n2-inch for for aluminum tube bikes, 36mm suspension forks, etc.\n\nHow should I mount them on my bike?\nWe suggest electrical/ Gorilla tape or cloth rim strip to protect the frame or fork legs.  Tighten clamp after use.\nHow do I select the correct USB size for my bike?\n\n\nClamp sizes are maximum diameter. To find out what size USB you should order, follow these easy steps:\n\nTake a string around the area you want to place the USB and measure the length of the string - This number is the circumference.\n\n(Example: String is 5.5 inches long)\n\n\nOnce you have the length of the string (circumference), divide that number by 3.14 (pi)  - This number is the diameter.\n\n(Example: 5.5 inches / 3.14 = 1.75)\n\n\nUse the diameter to determine the correct size;\n\n1 3/8 USB= 1.375 maximum diameter\n1 5/8 USB = 1.625 maximum diameter\n2 USB = 2 maximum diameter\n(Example: When the diameter is 1.75 order the 2in USB)\n\n\n\n\n\nNOT AVAILABLE FOR WHOLESALE...sorry!\n","images":["https://cdn.shopify.com/s/files/1/1566/6307/products/kingcage1.webp?v=1660857230","https://cdn.shopify.com/s/files/1/1566/6307/products/kingcage2.webp?v=1660857230","https://cdn.shopify.com/s/files/1/1566/6307/products/kingcage3.webp?v=1660857230","https://cdn.shopify.com/s/files/1/1566/6307/products/kingcage4.webp?v=1660857230","https://cdn.shopify.com/s/files/1/1566/6307/products/image_3222b98b-5911-4947-a43a-fc9660def21a.heic?v=1660857812","https://cdn.shopify.com/s/files/1/1566/6307/products/image_eea02092-75be-4557-afe3-68e57dfd6316.heic?v=1660857832","https://cdn.shopify.com/s/files/1/1566/6307/products/image_b9117b5f-eb30-4062-88f7-a6d3d5c799b4.heic?v=1660860269"],"price":8,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:43.367Z"},"share_url":"https://firestarter.network/l/lst_DiTzUj6b","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_DiTzUj6b' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy King Cage Universal Support Bolt' and a budget_max comfortably above $8.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}