Schwalbe SV21

Yes, this tube is specifically designed for 27.5-inch wheels. It is compatible with tire widths ranging from 1.50 to 2.40 inches, making it suitable for most standard trail and cross-country mountain bike setups.

Yes, you can use this tube inside a tubeless-ready tire. It is a reliable option if you prefer to run tubes or if you are temporarily patching a tubeless setup that won't seal.

The removable core allows you to easily inject tire sealant directly into the tube if you are looking to add extra flat protection. It also makes it simple to attach valve extenders if you ever need to use a deeper rim profile.

The nickel plating provides extra corrosion resistance compared to standard brass or aluminum stems. This helps prevent the valve from seizing over time, especially if you ride in wet or muddy conditions.

Yes, it features a 40mm Presta valve. Ensure your wheel rim is drilled for Presta valves before purchasing, as this tube will not fit rims designed exclusively for Schrader valves.