Schwalbe tubes retain air pressure considerably longer than standard tubes. The quality and purity of the rubber mixture directly affects the quality of the tube.

Tubeless valves for DT Swiss rims for repair or replacement. - DT Swiss Narrow Base Tubeless Valve - 32mm

Continental's Downhill Tubes are made of seamless butyl rubber and are individually tested for top quality. These are Conti's heaviest-duty tubes, built extra-tough to withstand the constant abuse and impact of downhilling. - 435 grams

Continental's Freeride Tubes are made of seamless butyl rubber and are individually tested for top quality. These heavy-duty tubes are tough and built to withstand the abuse of freeriding. - 285 grams

Continental Light Tubes are made of a lightweight seamless butyl rubber and are individually tested for top quality. These tubes are nearly 30% lighter than standard tubes to make tires more supple and accelerate even faster. - 42mm valve: 65 grams - 60mm valve: 70 grams

Continental's Light Tubes are made of a lightweight seamless butyl rubber and are individually tested for top quality. These tubes are lighter than standard ones to make your tires feel more supple and accelerate even faster. - 48mm valve length - 125 grams

Schwalbe tubes retain air pressure considerably longer than standard tubes. The quality and purity of the rubber mixture directly affects the quality of the tube. - Weight: 140 grams - 40mm Presta valve

Unless you're running tubeless (and even if you are), it's a good idea to keep a spare tube or two around, so you can change a tire quickly and reliably, then get back to riding. Continental's Schrader valve tube has you covered. - 40mm Schrader valve

Single presta tube for a 27.5-inch/650B tire. - 27.5 x 1.75-2.50 - 42mm Presta valve

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Tube 29-inch Schrader Valve

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

This tube features high-density rubber for fewer flats. - Valve length: 48mm

Giant's thorn tubes use thicker rubber to prevent some flats and punctures.

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling. - Valve length: 35mm

These Giant tubes include flat sealant for reduced maintenance.

Ultra-compact polypropylene case. Kit includes machined aluminum T-handle with combined reamer and insertion tool and five tire plugs. - Weight: 48g

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. - 77g

Bigger than standard Presta valve nuts, the Big P-Nut is designed to provide extra leverage to better tighten tubeless valves on standard tubeless rims. - Over-sized design provides extra torque when tightening - CNC-machined from AL-6061 aluminum

The Problem Solvers Presta Valve Extenders add 30 to 70mm of length to your tube or tire valve so that it protrudes far enough out of deep-section rims so that you can attach your pump. These lightweight, durable aluminum extenders are for use with Presta valves that have removable cores. The proper tool for removing the cores and installing the extenders is included.

- Street/park tire with near rim-to-rim tread, tacky surface, medium grooved - Wire bead - Size: 12 1/2 x 2 1/4

- Valve Type: Presta - Valve Core: Removable - Butyl rubber - Wall Thickness: 4.3mm

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 4.3mm

- ISO Diameter: 584 / 650b / 27.5" - Tube Compound: Butyl - Valve: Presta - Valve Core: Removable - Valve Shaft: Threaded

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Zipp's Valve Extension extends your threaded Presta valve to accommodate deep dish rims. Use these extenders with your favorite Zipp wheels to make short work of pumping up your tires.

Built with Kevlar to deliver faster and stronger seals, FiberLink represents a new standard for tubeless bicycle tire sealant. Developed with Finish Line's proprietary FiberLink Technology, this groundbreaking pro latex formula seals quickly, ensures maximum seal integrity and delivers optimum longevity. - FiberLink Technology utilizes Kevlar fibers that work synergistically with fast-acting natural latex to seal punctures as they occur. Free-flowing latex cures rapidly to create an adhesive seal which is reinforced with interlinking Kevlar fibers - Low viscosity is ideal for race conditions - Fast-acting natural latex reduces air loss - Optimum longevity between refresh cycles - Low odor and easy to setup - 8oz Drip Bottle

Giant's inner tubes are made from high-quality, standard weight rubber so you can keep on rolling.