Category: Bicycle inner tubes and accessories. Bicycles are a great way to get around, whether it's for commuting or just for fun. But one of the most frustrating things about riding a bike is dealing with flat tires. That's where bicycle inner tubes come in handy. These tubes provide the necessary air pressure and shape for your bike wheels to run smoothly on the road. There are many different types of bicycle inner tubes available, each with its own unique features and benefits. Some common options include Continental Race 28" 700x18-25c Bicycle Inner Tubes - 42mm Long Presta Valve - 4 PACK, Continental Bicycle Tubes Race 28 700x20-25 S42 Presta Valve 42mm Bike Tube Super Value Bundle (Pack of 5 Conti tubes & 2 Conti tire lever), and Continental Bicycle Tubes Race 28 700x25-32c Bicycle Inner Tube Bundle - 60mm Presta Valve - 4 Pack w/ Conti Sticker. These tubes are designed for use with bikes that have a wheel size of 700c and a tire width of 28mm or less. They come in packs of either 4 or 5, and include a Presta valve and a sticker to help identify the tube as Continental. One thing I like about these tubes is that they are made by Continental, a well-respected brand in the cycling industry. Continental has been making high-quality bicycle products for over 140 years, so you can trust that their inner tubes will be reliable and durable. Another advantage of using these tubes is that they are easy to install. Simply remove your wheel from your bike, take off the old tube, and replace it with a new one. You'll also want to make sure that your tire is properly inflated before putting your wheel back on your bike. In terms of performance, these tubes are designed to provide good air pressure and stability for bikes with 700c wheels and tires up to 28mm wide. They are also resistant to punctures, which means you won't have to worry about getting a flat tire as often. Overall, I would recommend these Continental Race 28" 700x18-25c Bicycle Inner Tubes - 42mm Long Presta Valve - 4 PACK for anyone looking for reliable and durable inner tubes for their bikes.