Amazon.com : 700x32c/700x35c/700x38c/700x40c/700x42c Bike Tires Pair Road Bike Tires 60 TPI Foldable Kevlar high Grade Made Bicycle Tires for City Bikes Pack of 2 (700x35c) : Sports & Outdoors
Sorry if this is the wrong place, but I'm new to cycling - can I just check these are definitely 700x40C tyres and I need to order a 700x40C inner tube? :
Sunlite K841A Komfort Tire 700x40c Black Hybrid Comfort City Bike 700c x 40mm 72774598571 | eBay