About 700 23-25c Inner Tube: Suitable for use as an inner tube for 700 23-25c tires, suitable for road bikes and cross bikes. Note: Tire size is usually marked on the side of the outer tire, please check the tire size before purchasing. Note: Valve: Presta style length 2.4 inches (60 mm) French valve. 【Convenient to Carry】 The inner tube of 700 23-25c replacement is small in volume, so you can easily carry it in your pocket, tool bottle or tool bag. Material: Butyl rubber: The inner tube of butyl rubber maintains a better airtight seal and prevents leakage and maintains air pressure. ★Basic returns and exchanges requirements for products shipped by Amazon.co.jp are as follows: The return and exchange process can be easily done from your order history, such as if the product has been defect from the beginning. If you need to process your order history, please complete the shipment within 30 days after you receive the item.