The Crankbrothers Gem is an impressive bike floor pump and a great value. It delivers the features and quality of a pump priced much higher, and introduces a novel and useful feature: with the flip of a switch, you can toggle between pumping in high-volume or high-pressure mode.

All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Each and every tube passes a stringent 100% quality control inspection. 42mm Presta Valve.

Standard thickness tube for 27.5in MTB wheels and 650B road wheels.

All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Each and every tube passes a stringent 100% quality control inspection. 42mm Presta Valve.

A perfect tool for the car or garage, the Air Fondo pump will help you get those tubes to whatever PSI you need. Whether it's Schrader or Presta valves, the auto-select head goes on easy and you'll have no problem reaching the valves with the long hose. With its oversized gauge and 160 psi pumping capacity, there's no issue getting your tires to the exact pressure you want.

Includes 2 tires: Grand Prix Attack/Force Combo TPS-700 x 23/25 Black Tire with Black Chili Compound.

Genuine continental tube, brand new without packaging. Weight: 105g. Limit 3 per order.

A stationary trainer and rollers can be tough on tires--especially lightweight racing models. Save the good rubber for the road, and invest in a Continental Hometrainer tire. This specially-constructed tire has higher heat resistance and increased durability to withstand the rigors of a long, hard trainer session. That means improved wear life, improved durability, and better performance.

Includes 2 Continental Grand Prix 5000 Tubeless tires.

The best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortable and with increased puncture protection. Made to make you better. The TL technology is specifically designed to offer Tubeless for road cycling demands. Easy to install and reliable in use. Specifically developed the Tubeless bead seals through its unique shape and provides stable fitting on the rim. We recommend the usage of corresponding TL-Sealant.

The best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortable and with increased puncture protection. Made to make you better.

The best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortable and with increased puncture protection. Made to make you better.

The ammonium- and protein-free RevoSealant provides reliable sealing for punctures and small cuts without chemically corroding the tire or tube. The versatile RevoSealant is not only useful for repairs, but can also be used as a preventive measures in tubes, tubular tires, and tubeless tires.

Our special fabric high pressure tapes can be used up to 220psi and are extremely lightweight and long lasting, ideal for both professional riders and serious enthusiasts, whilst our plastic tapes for MTB & City bikes are available in many sizes and again focus on durability and reliability. 700 X 18Mm (18-622). 2 Strips per package.

Buy 3 or more, get 10% off Conti tubes. Subject to availability. A simple formula for a simple application – but funny how the competitors manage to miss the details. Mold-cured, seamless-extruded, with removable valve cores are features that make Conti tubes a step above the rest. Price varies based on tube type.

Includes 2 Continental Grand Prix TT tires.

Get on the Kona German freight train with the Continental Grand Prix TT.

Keep small items separate for easy access. With a quick twist, the store-all DUO POD opens up two waterproof compartments (600mL and 83mL) each ideally sized for keeping both large and small items neatly organized.

Ideal for use in both rear and frame mounted cages. Sound-proof inner padding maintains a noiseless ride. Split into two compartments. List of tools included below.

Set of 2 valve extensions for inner tubes and tubulars with removable valve cores. Includes core removal tool.

Two great all around tubes for your road bike by Kenda. Longer 48mm Presta Valve.

Great all around tube for your road bike by Kenda. Longer 60mm Presta Valve with removable valve core.

For rapid CO2 inflation. Stored on any Xlab Wing or Bag. Simply screw on an Xlab CO2 Cartridge and push end onto valve stem.

Now you can control the rate of CO2 inflation for the lightest weight possible. The new Speed Chuck S.L. weighs in at only 21 grams! Its designed for super fast inflation while allowing you to stop and continue inflation if needed. An absolute must have for training and competition.

Ideal for use in both rear and frame mounted cages. Sound-proof inner padding maintains a noiseless ride. Split into two compartments: Use one side for repair kit, and other side for a spare tube. Tools not included.

10 Tools. Everything needed for essential adjustments. Fits all XLAB fasteners. 99 grams. Small to fit into any XLABrepair storage gear.

For rapid CO2 inflation. Stored on any Xlab Wing or Bag. Simply screw on an Xlab CO2 Cartridge and push end onto valve stem.

Convenient, quiet storage in a cage. Features Extra wide screw cap.

Convenient, quiet storage in a cage. Features Extra wide screw cap.

Includes two Maxxis Ultra Light Tubes.

Maxxis ultralight tubes are the standard in performance inner tubes for racing and training. Ultralight tubes are 0.60 mm thin for weight consideration without loss of performance.

Slime Tire Sealant is formulated and tested for use in all pneumatic tires. Once installed, Slime remains liquid and will not harden or dry out.

Includes two Maxxis Welter Weight tubes 700x18-25, 60mm PV.

Maxxis Welter Weight tubes are engineered for aggressive riders who require durability in their inner tubes. The middle-weight tubes in our line are targeted to all disciplines of riding. Fits 700x18/25. 60mm Presta Valve.

Two great all around tubes for your road bike by Kenda. Longer 48mm Presta Valve.

Two great all around tubes for your road bike by Kenda. Available in 650x18-23, 700x18-23 or 700x23-25.

Great all around tube for your road bike by Kenda. Fits most standard non aero wheels. Available in 650x18-23, 700x18-23 or 700x23-25.

For high profile rims. An advantage of this extension is the application between the valve stem and the valve itself. Protruding from the rim is the valve, not the extension. Ease of inflation, adjustment of tire pressure or deflation. Extensions are equipped with an o-ring seal, self-deflation is not possible.

Plastic valve tool works on valve cores (middle opening) and valve extensions (fork).

Slime Smart Tubes are factory-filled with a precise volume of SLiME Tube Sealant. Smart Tubes instantly seek out and seal punctures as they occur, preventing flats, repeatedly and continuously for up to two years. Ride without worries. Fits 29 x 1.85-2.2". Presta Valve.

The fastest, easiest, and most secure way to repair a cut or worn tire sidewall. The TB-2 is produced using a strong, waterproof vinyl membrane with fiber weave reinforcement.