Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small punctures. And, for added flat protection, the 0.9mm wall thickness helps to keep those punctures at bay.

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

When building your featherweight dream bike, don't forget the tubes! MICHELIN's Aircomp Ultralight tubes are nearly weightless for minimum rolling resistance and maximum speed.

- Butyl rubber - Thorn-resistant - Economy tube - Presta valve (32mm)

• Butyl rubber • 48mm-long Schrader valve • 700 x 28-35 (27 x 1 1/8-1/4)

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

• Sold each, individually boxed for store display • 36mm Presta valve • Removable valve core

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Reducing rotating weight is one of the greatest improvements you can make to any bike, which is why Bontrager's Race X Lite Tube uses a 0.6mm wall thickness to keep the weight low. And, it's equipped with a removable valve core for easy sealant application and simple core replacement.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Protect yourself from flats with Bontrager's Self-Sealing tubes that instantly seal small hole punctures. And, for added flat protection, the 0.9mm wall thickness keeps punctures at bay.

• Sold each, individually boxed for store display • Presta valve • Removable valve core • 36mm valve • 29 x 2.5-3.0

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.

- Shim adds support to presta stem used in a schrader rim

Bontrager's Race XXX Tubes are perfect for race day and fast training. They reduce rolling resistance and rotational weight for quicker acceleration and more speed. You want a pro trick? Add a touch of corn starch or talc to the tire for an even better ride.

- 1.2mm wall thickness for added flat protection - Resists punctures and pinch flats - 100% inspected for guaranteed quality

Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare. These tubes have a 70-degree valve that make it easier to get the pump into a small space.

Reducing rotating weight is one of the greatest improvements you can make to any bike, which is why Bontrager's Race X Lite Tube uses a 0.6mm wall thickness to keep the weight low. And, it's equipped with a removable valve core for easy sealant application and simple core replacement.

Keep punctures at bay with Bontrager's Thorn Resistant Tube. It's a whopping 4.1mm thick to protect you from sharp road debris and thorns.