{"product_id":"alpinestars-smx-s-boot-bkbk-size-43-motorcycle-boots","title":"Alpinestars SMX S Boot BKBK Size 43 Motorcycle Boots","description":"SMX S BOOT BKBK 43\n\u003cp\u003eThe Alpinestars SMX S Boot BKBK in size 43 is a performance-focused motorcycle boot designed for riders who want dependable protection, secure support, and a streamlined black-on-black appearance. Built for sport and street riding, this boot combines the trusted Alpinestars brand with a purpose-built design that helps support rider confidence during daily commutes, spirited rides, and longer journeys.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e This boot is intended for adult motorcycle riders and is supplied in European size 43. The SMX S Boot BKBK model is designed to fit standard motorcycle riding applications and can be worn with compatible riding gear. Always confirm your preferred Alpinestars sizing before purchase to help ensure a secure, comfortable fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIdentification:\u003c\/strong\u003e Manufacturer part number 4105015543 and vendor part number 4105-0155-43 identify this specific Alpinestars SMX S Boot BKBK configuration. The black colorway offers a versatile appearance that pairs easily with motorcycle jackets, riding pants, and other protective equipment. The boot profile is suited to riders seeking a dedicated motorcycle boot rather than casual footwear.\u003c\/p\u003e\u003cp\u003eWhether used for everyday riding or weekend trips, the Alpinestars SMX S Boot BKBK provides a practical combination of riding-focused design and recognizable brand quality. Select the appropriate size and pair it with properly fitted motorcycle protective gear for a complete riding setup.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: European 43\u003c\/li\u003e\n\u003cli\u003eModel: SMX S Boot BKBK\u003c\/li\u003e\n\u003cli\u003eBrand: Alpinestars\u003c\/li\u003e\n\u003cli\u003eCategory: Motorcycle boots\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 4105015543\u003c\/li\u003e\n\u003cli\u003eVendor part number: 4105-0155-43\u003c\/li\u003e\n\u003cli\u003eColor: Black-on-black\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for adult motorcycle riders and standard sport or street riding applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nSize: 43\u003cbr\u003e\nModel: SMX S BOOT BKBK\u003cbr\u003e\nCategory: BOOTS","brand":"ALPINESTARS","offers":[{"title":"Default Title","offer_id":67548321579243,"sku":"4105-0155-43","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5817565_c264e246-5a20-4d25-88cc-a31ea75658f1.jpg?v=1790683845","url":"https:\/\/ctracingservices.com\/products\/alpinestars-smx-s-boot-bkbk-size-43-motorcycle-boots","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}