{"product_id":"ralson-ecoracer-premium-butyl-tube-27-5x2-35-2-50-presta-48mm","title":"Ralson EcoRacer Premium 27.5x2.35-2.50 Presta 48mm Butyl Tube","description":"\u003cp style=\"text-align:center;font-style:italic;font-size:18px;border:1px solid #ddd;background:#f7f7f7;padding:16px;\"\u003eA premium butyl rubber tube with a 48 mm Presta valve, made for 27.5 in mountain bike tyres from 2.35 to 2.50 in wide.\u003c\/p\u003e\n\u003ch5\u003eOverview\u003c\/h5\u003e\n\u003cp\u003eThe Ralson EcoRacer Premium Bicycle Butyl Tube in 27.5 x 2.35-2.50 is made from premium butyl rubber and is built for MTB bikes. It fits all standard MTB tyres of 27.5 in diameter with a width of 2.35 to 2.50 in.\u003c\/p\u003e\n\u003cp\u003eIt has a 48 mm French (Presta) valve, designed for modern MTB rims with secure sealing.\u003c\/p\u003e\n\u003cp\u003eIt is a practical choice for replacing a punctured tube or carrying a dependable spare on trail rides.\u003c\/p\u003e\n\u003ch5\u003eWhy You'll Like It\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Butyl Rubber\u003c\/strong\u003e: excellent durability that minimizes punctures and withstands hard riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility\u003c\/strong\u003e: absorbs road vibrations without disturbing riding comfort and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Air Retention\u003c\/strong\u003e: maintains consistent tyre pressure for longer and avoids frequent inflation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48 mm Presta Valve\u003c\/strong\u003e: secure sealing on modern MTB rims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding Efficiency\u003c\/strong\u003e: supports smooth rolling resistance and improved speed for comfortable rides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWho Is It For?\u003c\/h5\u003e\n\u003cp\u003eMountain bikers on 27.5 in wheels running wider 2.35-2.50 in tyres who want a correctly sized replacement tube.\u003c\/p\u003e\n\u003cp\u003eIt also works as a spare to carry on trail rides.\u003c\/p\u003e\n\u003ch5\u003eGood to Know\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCheck that your rim suits a 48 mm Presta valve before fitting.\u003c\/li\u003e\n\u003cli\u003eInflate gradually and check the tyre is seated evenly on the rim before taking it to full pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Premium butyl rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type\u003c\/strong\u003e: Presta (French valve)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Length\u003c\/strong\u003e: 48 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Width\u003c\/strong\u003e: 2.35-2.50 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size\u003c\/strong\u003e: 27.5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Weight\u003c\/strong\u003e: 234 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eAdditional Information\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured By\u003c\/strong\u003e: RALSON INDIA LIMITED , 6 , Mysore Road , Opp BHEL Factory , BBMP Ward 41 of Gali Anjaneya Temple , Bengaluru Urban , Bengaluru , Karnataka - 560026 , India.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Quantity\u003c\/strong\u003e: 1N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Care Address\u003c\/strong\u003e: 291, 10 Main, 5 Block, Jayanagar, Bangalore - 560041. Ph: (080)47183232, Email: support@bumsonthesaddle.com\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommodity\u003c\/strong\u003e: Bicycle Inner Tube\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RALSON INDIA LIMITED","offers":[{"title":"Default Title","offer_id":50530147860649,"sku":"850642","price":725.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/7793\/files\/WhatsAppImage2026-10-24at17.02.30.jpg?v=1792847529","url":"https:\/\/bumsonthesaddle.com\/products\/ralson-ecoracer-premium-butyl-tube-27-5x2-35-2-50-presta-48mm","provider":"BUMSONTHESADDLE","version":"1.0","type":"link"}