{"product_id":"pirelli-p-zero-smartube-rs-tube-700-x-26-35mm-42mm-presta-valve","title":"Pirelli P Zero SmarTube RS Tube - 700 x 26 - 35mm, 42mm Presta Valve","description":"\u003ch2\u003ePirelli P Zero SmarTube RS Road Tube – 700 x 26-35mm, 42mm Presta Valve\u003c\/h2\u003e\u003cp\u003eThe Pirelli P Zero SmarTube RS is an ultra-lightweight thermoplastic elastomer (TPE) inner tube engineered for road cyclists who prioritize speed and efficiency. Delivering up to 1.5 watts more speed compared to the standard SmarTube through reduced rolling resistance, this tube transforms every pedal stroke into maximum forward momentum. Lab tests confirm that a tubeless-ready setup with the standard SmarTube rolls as fast as one with sealant—but the RS pushes performance even further without the mess or maintenance of sealant systems.\u003c\/p\u003e\u003cp\u003eSized for 700c wheels with tire widths from 26 to 35mm and featuring a 42mm Presta valve compatible with a wide range of rim depths, the SmarTube RS offers precise fitment for modern road and gravel setups. At just 32 grams, it is one of the lightest tubes available in its class.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUltra-lightweight at 32g — thermoplastic elastomer (TPE) construction\u003c\/li\u003e\n\u003cli\u003eUp to 1.5 watts faster than the standard P Zero SmarTube due to lower rolling resistance\u003c\/li\u003e\n\u003cli\u003eFits 700c rims with tire widths 26–35mm (ISO 622 \/ Road \/ 29\")\u003c\/li\u003e\n\u003cli\u003e42mm Presta valve (fixed valve core) suits medium to deep-section rims\u003c\/li\u003e\n\u003cli\u003eSmooth shaft design for consistent performance and easy installation\u003c\/li\u003e\n\u003cli\u003eBroader size range for maximum compatibility across road and gravel builds\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":46078056529989,"sku":"8019227472790","price":37.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/0032\/5189\/files\/TU0283_84760560-4f3c-4506-9020-9ae7a6a13aa8.jpg?v=1792553956","url":"https:\/\/noboundoriosssport.shop\/products\/pirelli-p-zero-smartube-rs-tube-700-x-26-35mm-42mm-presta-valve","provider":"No Boundaries Sport","version":"1.0","type":"link"}