{"product_id":"29-inch-mountain-bike-inner-tubes-2-pack-tough-as","title":"29 Inch Mountain Bike Inner Tubes 2 Pack Tough As Nails Heavy Duty Butyl Rubber Replacement Fits 1.75 to 2.3 Inch Tires Presta Valve 48mm Leak Free High Air Retention For MTB Mountain Biking","description":"\u003cdiv\u003eHeavy-Duty 29er MTB Inner Tubes for 29er wheels (2-pack)\u003cbr\u003e\n✔️ 2-pack; fits 29x1.75-2.3 in (736.6x44.45-58.42 mm); Presta 48mm \u003cp\u003eThese MTB inner tubes are built with 60% high butyl rubber for superior air retention and durability. The thicker sidewalls (1.1-1.2 mm) resist punctures and maintain shape under temperature changes. They fit 29x1.75-2.3 inch tires and use a 48 mm Presta valve. Each tube is vulcanized for uniform roundness and undergoes 100% quality control. This 2-pack makes replacement quick and easy to store in the included carton. Note: insert into the outer tire before inflating to prevent blowouts.\u003c\/p\u003e ✅ 60% high butyl rubber for better air retention\u003cbr\u003e\n✅ Sidewall thickness 1.1-1.2 mm for improved puncture resistance\u003cbr\u003e\n✅ Fits 29x1.75-2.3 inch tires with 48 mm Presta valve\u003cbr\u003e\n✅ Includes two inner tubes per pack for easy replacement\u003cbr\u003e \u003cp\u003e💡 What is an inner tube used for on mountain bikes?\u003c\/p\u003e\n\u003cp\u003eIn simple terms, it holds air inside the tire to keep it seated on the rim and cushion the ride.\u003c\/p\u003e\n- Keeps air pressure within the tire so you can ride without flats\u003cbr\u003e\n- Provides a flexible barrier between the tire and rim for a smoother ride\u003cbr\u003e\n- Works with Presta valves and common MTB wheel sizes\u003cbr\u003e\n- Choose the correct size and wall thickness for your tire width and riding conditions\u003cbr\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48527339782379,"sku":"VXB08ZMHPJKS","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61IGDnQt12S.jpg?v=1779606258","url":"https:\/\/vxb.com\/products\/29-inch-mountain-bike-inner-tubes-2-pack-tough-as","provider":"VXB Bearings","version":"1.0","type":"link"}