{"product_id":"psikic-gravel-tpu-innertubes-700c-presta-valve","title":"PSIKIC GRAVEL TPU Innertubes 700c Presta Valve","description":"\u003cp\u003eUpgrade from bulky butyl without sacrificing the durability gravel riding demands.\u003c\/p\u003e\n\u003cp\u003eThe PS!KiC Gravel TPU Inner Tube is an updated, reinforced version of the brand’s road tube, engineered with thicker TPU material for wider tires and rougher terrain. It delivers the compact size and low weight TPU tubes are known for, with added durability for gravel, all-road and adventure riding.\u003c\/p\u003e\n\u003cp\u003eDesigned for 700C tires up to 52mm wide, each tube folds down remarkably small—making it easy to carry in a saddle bag, frame bag or jersey pocket. It is an ideal everyday tube or space-saving emergency backup for tubed and tubeless setups.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUpdated, thicker TPU construction for greater durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for gravel, all-road and adventure riding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits 700C tires up to 52mm wide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e45mm blue valve stem with protective cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignificantly lighter and more compact than a conventional butyl tube\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMatte surface helps simplify installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePacks easily into compact saddle bags and emergency ride kits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent backup tube for tubeless gravel setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIndependent Recognition\u003c\/p\u003e\n\u003cp\u003eRoad.cc awarded the narrower PS!KiC road version an 8\/10 rating, highlighting its low weight, compact packed size, easy-fitting matte surface and strong performance during winter testing on wet, broken roads. This updated gravel edition builds on that design with thicker material and compatibility with substantially wider tires.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWheel size: 700C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum tire width: 52mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eValve length: 45mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eValve type: Presta\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended use: Gravel, all-road, commuting and adventure riding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Thermoplastic polyurethane (TPU)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation Notes\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eAdd only enough air for the tube to begin taking shape before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure the tube is completely inside the tire and is not trapped beneath the tire bead.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNever fully inflate a TPU tube outside a mounted tire.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse only a TPU-compatible patch kit for repairs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCheck tire pressure before every ride. TPU tubes may require more frequent pressure top-ups than butyl tubes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eImportant: The 45mm valve is intended primarily for standard and shallow-section rims. Confirm that sufficient valve length will remain exposed when using deeper rims.\u003c\/p\u003e\n\u003cp\u003eCompact enough to carry anywhere. Built for the road less traveled.\u003c\/p\u003e","brand":"Poseidon Bike","offers":[{"title":"Default Title","offer_id":49737406120164,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1127\/8574\/files\/ChatGPTImageAug28_2026_02_49_38PM.png?v=1787953818","url":"https:\/\/www.poseidonbike.com\/products\/psikic-gravel-tpu-innertubes-700c-presta-valve","provider":"Poseidon Bike","version":"1.0","type":"link"}