{"product_id":"continental-race-28-700-x-20-25c-inner-tubes","title":"Continental 700 x 20-25c Inner Tubes, Black, 80mm Presta Valve, Pack of 5","description":"\u003cp\u003e\u003cstrong\u003eContinental Race 28 inner tubes are lightweight, reliable replacement tubes sized for 700 x 20–25c tires with an 80mm Presta valve, sold in a convenient pack of five.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese inner tubes are built for road cyclists who want a balance of low weight, dependable sealing, and easy valve access for deeper rims. Manufactured by Continental, a well-known name in cycling components, this five-pack gives you spares for training, group rides, or race-day contingency without compromising on materials or valve quality.\u003c\/p\u003e\n\n\u003ch3\u003eWhat tire sizes and valve length do these tubes fit?\u003c\/h3\u003e\n\u003cp\u003eThe tubes are sized for 700c road wheels and suit tires from 20mm up to 25mm wide. Each tube features an 80mm long Presta valve, which is long enough to reach through most modern deep-section rims and makes inflation simple with floor pumps and track pumps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible tire widths: 700 x 20c to 700 x 25c\u003c\/li\u003e\n  \u003cli\u003eValve: Presta (French) valve, 80mm length\u003c\/li\u003e\n  \u003cli\u003eRemovable valve core allows use of sealant or easy replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these tubes help on race days and training rides?\u003c\/h3\u003e\n\u003cp\u003eBecause they’re lightweight and come in a multi-pack, these tubes are practical for riders who change flats frequently or want spares in a race kit. Continental’s construction balances puncture resistance with minimal weight so you can maintain ride performance without carrying multiple loose tubes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePack of five provides multiple spares for long events or group rides\u003c\/li\u003e\n  \u003cli\u003eLow-weight construction helps preserve bike handling and acceleration\u003c\/li\u003e\n  \u003cli\u003eRemovable core supports quick topping up or adding sealant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these tubes easy to install and maintain?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard inner tube procedures: partially inflate, fit into the tire, seat the bead, then fully inflate. The removable inner core simplifies maintenance — you can deflate completely, replace the core if needed, or add sealant without disassembling the valve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePresta valve compatible with common pumps and adapters\u003c\/li\u003e\n  \u003cli\u003eRemovable valve core reduces time to add sealant or replace the stem\u003c\/li\u003e\n  \u003cli\u003eStandard size ensures easy fit for 700c rims within the specified width range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I consider when choosing these tubes for my wheelset?\u003c\/h3\u003e\n\u003cp\u003eConfirm your tire width is within 20–25mm and that an 80mm valve length reaches through your rim. If you have very deep rims or use tubeless-ready setups with inserts, verify clearance and compatibility. The pack is best for riders who prefer stocking several spares rather than single purchases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure tire width and rim depth before buying\u003c\/li\u003e\n  \u003cli\u003eChoose a longer valve for deeper rims if needed\u003c\/li\u003e\n  \u003cli\u003eUse the removable core feature if planning to add sealant later\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Road cyclists, club riders, and race teams who need a dependable, lightweight set of spare inner tubes for 700 x 20–25c tires. This five-pack suits people who value easy valve access with an 80mm Presta stem, want the convenience of multiple spares on hand, and prefer a quality brand like Continental for consistent performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these tubes fit my 700x23c tires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are specified for 700 x 20–25c tires, so a 700x23c fits this tube range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add sealant through the valve?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The removable Presta valve core makes it simple to add sealant or replace the core.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Continental","offers":[{"title":"Default Title","offer_id":48028778102945,"sku":"B07CVKYSKY","price":124.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/continental-race-700x20-25c-front-tube-pack.jpg?v=1791384709","url":"https:\/\/canadiansporting.ca\/products\/continental-race-28-700-x-20-25c-inner-tubes","provider":"Canadian Sporting","version":"1.0","type":"link"}