{"title":"Cyclocross - ULTRA Series","description":"","products":[{"product_id":"grifo-ultra-handmade-tubular","title":"GRIFO Ultra - Handmade Tubular","description":"\u003cdiv class=\"description-container\"\u003e\n\u003cdiv class=\"text\" style=\"text-align: start;\"\u003e\n\u003cp\u003e\u003cspan\u003eThe best all-around cyclocross tire ever created excels in wet or dry, soft packed, rocky and root-infested courses, grass, and more. The Grifo features fast rolling knobs and a center section that offers excellent pedaling and braking traction. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis handmade SETA EXTRA (Ultra) tubular uses an ultra-compliant sealed Silk 1000TPI casing for unmatched performance with our SmartSoft Compound\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e tread and a Latex Inner Tube with 60mm valve stem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cspan\u003eRemember you may need to use\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003ca href=\"https:\/\/challenge-tires-usa.myshopify.com\/products\/presta-valve-extenders\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eChallenge Presta Valve Extenders\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e when mounting tubulars on deep-profile rims.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0852\/2930\/6155\/files\/BugRow_CX_Ultra_240x240.png?v=1730137127\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Challenge Tires","offers":[{"title":"700x33C \/ Cream","offer_id":53009830576451,"sku":"11707","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6068\/3331\/files\/GRIFO-Ultra-HTU-33-Cream.jpg?v=1744856250"},{"product_id":"baby-limus-ultra-handmade-tubular","title":"BABY LIMUS Ultra - Handmade Tubular","description":"\u003cdiv class=\"description-container\"\u003e\n\u003cdiv class=\"text\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud or dry, fast courses. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis handmade SETA EXTRA (Ultra) tubular uses an ultra-compliant sealed Silk 1000TPI casing for unmatched performance with our SmartSoft Compound\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e tread and a Latex Inner Tube with 60mm valve stem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eRemember you may need to use\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003ca style=\"color: rgb(0, 0, 0);\" href=\"https:\/\/challenge-tires-usa.myshopify.com\/products\/presta-valve-extenders\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eChallenge Presta Valve Extenders\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e when mounting tubulars on deep-profile rims.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0852\/2930\/6155\/files\/BugRow_CX_Ultra_240x240.png?v=1730137127\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Challenge Tires","offers":[{"title":"700x33C \/ Cream","offer_id":53009832149315,"sku":"11857","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6068\/3331\/files\/BABY-LIMUS-Ultra-HTU-33-Cream.jpg?v=1744856317"},{"product_id":"dune-ultra-handmade-tubular","title":"DUNE Ultra - Handmade Tubular","description":"\u003cp\u003e\u003cspan\u003eThe Dune is the Belgian's secret skill-building tire. Like the Chicane, this tire is a super fast rolling sand tire that also works incredibly well on frozen courses. The small shoulder knobs are intended for riders with great bike handling skills. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis handmade SETA EXTRA (Ultra) tubular uses an ultra-compliant sealed Silk 1000TPI casing for unmatched performance with our SmartSoft Compound\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e tread and a Latex Inner Tube with 60mm valve stem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eRemember you may need to use\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003ca style=\"color: rgb(0, 0, 0);\" href=\"https:\/\/challenge-tires-usa.myshopify.com\/products\/presta-valve-extenders\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eChallenge Presta Valve Extenders\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e when mounting tubulars on deep-profile rims.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0852\/2930\/6155\/files\/BugRow_CX_Ultra_240x240.png?v=1730137127\"\u003e\u003c\/p\u003e","brand":"Challenge Tires","offers":[{"title":"700x33C \/ Cream","offer_id":53009834082627,"sku":"11872","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6068\/3331\/files\/DUNE-Ultra-HTU-33-Cream.jpg?v=1744856424"},{"product_id":"flandrien-ultra-handmade-tubular","title":"FLANDRIEN Ultra - Handmade Tubular","description":"\u003cdiv class=\"description-container\"\u003e\n\u003cdiv class=\"text\" style=\"text-align: start;\"\u003e\n\u003cp\u003e\u003cspan\u003eDeveloped to embody the spirit of mid-winter cyclocross racing, the Flandrien is named after the resilient riders who thrive in changing conditions. With a bit more cornering traction in both dry and lightly wet or muddy conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis handmade SETA EXTRA (Ultra) tubular uses an ultra-compliant sealed Silk 1000TPI casing for unmatched performance with our SmartSoft Compound\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e tread and a Latex Inner Tube with 60mm valve stem.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cspan\u003eRemember you may need to use\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003ca href=\"https:\/\/challenge-tires-usa.myshopify.com\/products\/presta-valve-extenders\" style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eChallenge Presta Valve Extenders\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e when mounting tubulars on deep-profile rims.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0852\/2930\/6155\/files\/BugRow_CX_Ultra_240x240.png?v=1730137127\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Challenge Tires","offers":[{"title":"700x33C \/ Cream","offer_id":53726811619651,"sku":"11885","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6068\/3331\/files\/11885_H-TUFlandrienULTRA33Silk_productpage.png?v=1758878071"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6068\/3331\/collections\/Collection_ULTRA_87ab7052-7376-4ca1-b418-c9464e5ca3ef.jpg?v=1758119720","url":"https:\/\/challengetires.com\/en-it\/collections\/cyclocross-ultra.oembed","provider":"Challenge Tires","version":"1.0","type":"link"}