{"product_id":"bridgestone-standard-motorcycle-inner-tube-2-75-3-50-21-tr4-valve-stem-part-543454","title":"Bridgestone Standard Motorcycle Inner Tube 2.75\/3.50-21 TR4 Valve Stem – Part 543454","description":"\u003cp\u003eThe Bridgestone Standard motorcycle inner tube is designed for tires sized 2.75\/3.50-21 and uses a TR4 valve stem for dependable inflation and air retention. This tube provides a practical replacement solution for compatible motorcycle applications, helping restore proper tire function when the original tube is worn, punctured, or damaged. Its standard tube construction is suited for everyday riding and routine service needs.\u003cbr\u003eBridgestone is recognized for producing dependable tire and tube products for a wide range of powersports applications. This inner tube is manufactured to support a secure fit inside compatible tires and is intended for use with the recommended rim and tire combination. Always confirm the tire size, valve stem style, and vehicle service requirements before installation to help ensure proper compatibility and safe operation.\u003cbr\u003eThis product is identified by the Bridgestone manufacturer part number 543454 and the vendor part number 543454. The 2.75\/3.50-21 size designation indicates compatibility with approved tires in that size range, while the TR4 valve stem supports standard inflation and maintenance procedures. Install the tube carefully, inspect the tire and rim for damage or debris, and follow the vehicle manufacturer’s service instructions for inflation and fitment. Professional installation is recommended when proper mounting equipment or experience is unavailable.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eStandard motorcycle inner tube for compatible 2.75\/3.50-21 tires\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBridgestone brand construction for dependable powersports service\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTR4 valve stem supports standard inflation and air-retention requirements\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufacturer part number: 543454\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eVendor part number: 543454\u003c\/li\u003e\u003c\/ul\u003e","brand":"BRIDGESTONE","offers":[{"title":"Default Title","offer_id":49388192235755,"sku":"874-1936","price":31.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/fb5a-688133609d772_a0e46961-99bc-4ed2-ad32-d1b289465ee6.png?v=1789023349","url":"https:\/\/ctracingservices.com\/products\/bridgestone-standard-motorcycle-inner-tube-2-75-3-50-21-tr4-valve-stem-part-543454","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}