Pumps/Inflation

Sunlite's Steel Frame Pump looks great on retro frames and modern road steeds alike. Its long steel barrel makes pumping up tires a breeze. And, it comes with mounting clips if your frame doesn't have a pump peg or your top tube isn't quite the right length.

A metal valve tool designed to tighten or remove Schrader and two-piece Presta valve cores. A special tool feature can also tighten or loosen Presta valve extensions. - Material: Aluminum - Schrader or two-piece Presta valve cores - Weight: 7 grams - Size: 4.5 x 1.1 cm / 1.8“ x 0.4”

Lezyne's lightweight and powerful Tech Drive HP mini-pump quickly inflates your tires so you can get back on your bike. Its CNC'd aluminum barrel and overlapping handle help you get pumped up to 120 psi in a flash. And, making your inflation experience even easier is a Presta/Schrader-compatible hose that stows inside the handle when not in use.

350 PSI replacement pressure gauge for all floor pumps with 2.5-inch gauges, includes glue and O-ring. Highly precise with a 1.5-inch screen and two-button system for easy use.

Compact and super-efficient high-volume bike hand pump featuring a knurled barrel for superior grip while pumping. Its proven engineered design with an overlapping handle is constructed from machined aluminum, with superior durability, minimal weight, and all of the style. The integrated ABS Flex Hose is Presta and Schrader valve compatible and greatly improves pumping action and ergonomics. This mini pump is completely rebuildable and made with the best materials available. With up to 90 PSI (6.2 BAR) of pumping power, the Grip Drive HV is excellent for all-mountain bikes and gravel bikes. Includes a lightweight Composite Matrix frame mount. - Max pressure: 90 PSI | 6.2 BAR - Small: 186mm | 119g - Medium: 231mm | 134g

- Replacement ABS Flex Hose for all Pocket Drive pumps - Presta & Schrader compatible

CNC machined aluminum dispenser with brass internals. Trigger Valve Operation for easy and controlled inflation. Twin Chuck head threads on to Presta and Schrader valves. Neoprene sleeve insulates hand from cold during discharge. Compatible with threaded CO2 cartridges. Includes one 16g cartridge. - Weight: 26g - Aluminum, a strong, lightweight, and durable material, is used to make various precision CO2 inflator components - CNC machined aluminum parts for precise and durable construction - Press on/off valve operation functions like a trigger, providing easy and precise inflation - Lezyne's ABS Flex Hose threads directly onto the valve for a secure, airtight connection. Compatible with Presta, and Schrader valves

Compact and super efficient high pressure bicycle hand pump featuring a knurled barrel for superior grip while pumping. Its proven engineered design with an overlapping handle is constructed from machined aluminum, providing superior durability, minimal weight and all of the style. The integrated ABS Flex Hose is presta and shrader valve compatible, and greatly improves pumping action and ergonomics. This mini pump is completely rebuildable and made with the best materials available. With up to 120 PSI (8.3 BAR) of pumping power, the Grip Drive HP is excellent for all high-pressure bicycle tire applications. - 230 mm, 105g - 120 psi, 8.3 bar. - Grip Textured CNC machined aluminum construction with compact overlapping handle. - Presta and Schrader valve compatible ABS Flex Hose. - Includes Composite Matrix frame mount

Innovative 2-in-1 cycling CO2 dispenser and tubeless tire repair kit simultaneously inflates and seals tubeless tires. Machined aluminum construction is both lightweight and highly durable. Hardened steel reamer scours hole, inserts plug, and inflates tire for an efficient and rapid repair. CNC-machined twist knob manually controls release of CO2 gas. Aluminum canister holds the five included tire plugs and safely stores the reamer when not in use. High-quality tire plugs aggressively seal holes that are too large to be sealed by sealant alone (hole size varies from tire to tire). Sleek, compact design fits in a pocket or straps to your bike with a simple Velcro strap. Note: Sealing performance may vary based on puncture size, tire size, and tire pressure. - Compact tubeless tire repair kit. - Machined aluminum storage tube doubles as a handle. - Combined tire reamer and insertion tool. - Includes five tire plugs. - CO2 cartridges sold separately.

The CNC Digital Drive is the ultimate, professional-grade bicycle floor pump which features a large digital gauge. Its full CNC-machined aluminum construction and hardware are built to last a lifetime, and replacement wear parts are readily available. Highly accurate, easy-to-read 3.5” (88.9 MM) digital gauge. The CNC Digital Drive comes with an extra-long, nylon-reinforced braided hose with aluminum couplers. At the end of the hose is the top-of-the-line ABS1 Pro floor pump chuck. - CNC-machined aluminum construction - Precision 3.5-inch digital gauge (220 psi / 15 bar) - Extra-long nylon reinforced braided hose with aluminum couplers - ABS1 Pro for Presta and Schrader chuck

Easily adapts schrader only air compressors, floor pumps, and mini pumps to work with presta valves

Lezyne Pump Parts

The Sport Drive HP is a compact pump with an overlapping handle designed for high-pressure tires. It features a machined-aluminum barrel and piston as well as a Composite Matrix handle and end caps. The pump comes equipped with our Presta/Schrader compatible ABS Flex Hose. Includes lightweight Composite Matrix frame mount.

The TLC PRO was made for the adventure enthusiast who wants the best equipment for on-the-go bike maintenance and vehicle tire inflation. The kit features a 30ft coil hose, a shop-style inflator with rotating Presta and Schrader attachments and a blow gun. The compressor charges the air reservoir and coil hose to 150PSI, storing enough air to provide a blast for seating tubeless bicycle tires, performing blowing tasks, running certain air tools and it is capable of inflating RV and truck tires up to 35". The TLC PRO comes in a deluxe carry bag and can be used as a portable or hard-mounted to the vehicle using the SAE battery clamps or terminal ring attachments included. The compact dimensions make it easy to store in your vehicle, keeping it out of the way and ready whenever you need it. FEATURES: – Shop-Style Inflator with 160 PSI Gauge – Fully Rebuildable Presta Head Attachment – 90° Twist-on Schrader Attachment – 30ft. Inside Braided Coil Hose – Blow Gun – Extruded Aluminum Air Tank – 2-Pin SAE Connection with Battery Terminal and Clamp Options – 40-Amp Inline Fuse Holder – Vibration-Resistant Diamond-Plate Sand Tray – Deluxe Carry Bag SPECIFICATIONS: – 12-Volt – Permanent Magnetic Motor – Duty Cycle: 33% @ 100 PSI – Max. Working Pressure: 150 PSI – Max. Amp Draw: 30-Amps – Ingress Protection Rating: IP54 – Dimensions: 10.87?L x 5.83?W x 7.48?H – Net Weight: 11.80 lbs. – Power Cord Length: 8 ft. – Air Hose Length: 30 ft.

VIAIR's TLC Dispenser features smooth mechanisms paired with high-quality rubber seals for quick and efficient on the go inflation. The compact design allows for easy storage and the lightweight construction adds virtually no weight to your gear. FEATURES: – Metal body construction – High-Quality rubber seals – On/off twist cap – Adjustable air flow – Precision cut threads

Blast off with Planet Bike's Airship 2.0 CO2 Bike Tire Inflator. It's lightweight, strong and easy to use. Stash it in your bike bag or jersey pocket and away you ride. - Lightweight aluminum design stores cartridge and protects from cold cartridge when in use - Auto head fits both Presta and Schrader valves - Accepts 16g threaded and non-threaded cartridges - Includes one 16g threaded CO2 cartridge - Small size fits in saddle bag or jersey pocket - Length: 130mm - Weight: 123 grams

Comfortable, durable and most of all reliable, the Ultraflate is Genuine Innovations' most tried and true cupped inflator. Its reinforced glass nylon construction and brass internals means it can take the strain of everyday use and still maintain precision inflation performance. - Trigger-controlled technology for fast, easy and controllable CO2 inflation - Built-in "trigger lock" to prevent accidental discharge - Compatible with non-threaded 20 gram CO2 cartridges and threaded 16 gram, 20 gram and 25 gram CO2 cartridges - Works with both Presta and Schrader valves - Store a non-threaded 20 gram CO2 cartridge in the cup Includes (1) Ultraflate inflator head (1) non-threaded 20 gram CO2 cartridge

Crank Brother's Klic HV features a revolutionary design that sports a hidden flexible hose hidden inside the pump body. A magnetic head and twisting collar allow the hose to be attached easily and keeps debris out. - High-volume portable hand pump with hidden magnetic hose - Premium pump with flexible rubber hose to allow for easy inflation. - Features include a Presta/Schrader valve adapter, magnetic head with twisting collar, and a folding and locking handle. - HV (high volume) version recommended for tires 1.8” wide and larger. - All Klic pumps come with a bottle cage bracket mount. - Length: 220mm - Pressure 110psi / 7.6bar - Weight: 124 grams

Portland Design Works' Shiny Object is made from aluminum for strength and low weight so you won't think twice about bringing this ride essential along with you. A control knob keeps you in charge of the pressure, it takes threaded Co2 cartridges (sold separately) and it fits both Presta and Schrader valves. - Inflator only height: 44 mm (1.75") - Inflator only weight: 40 g (1.5 oz) 

- Tall 25-inch alloy barrel with SureFoot steel base - UnoHead Comp head fits Schrader / Presta - 3-inch low-profile Accurite gauge | 160 psi / 11 bar - 36-inch replaceable rubber hose - Ergonomic V-handle - Integrated storage for ball and toy adapters

The Digital Shock Drive features incredibly compact and lightweight aluminum construction with a cleverly integrated hose that threads into the handle when not in use. Highlighting the Digital Shock Drive is the ultra low-profile digital gauge that’s built into the pump’s aluminum body. This innovative design keeps the pump extremely compact, yet still provides a highly accurate measurement of air pressure. It provides up to 350 psi (24 bar) and features a zero-loss chuck design, which unthreads from the shock after the valve pin seals itself. This is the ultimate shock pump to throw in a pack and use for trailside adjustments.

Lezyne's easy-to-use Alloy Drive CO2 is super compact and portable. Its simple twist operation lets you control exactly how much CO2 you're putting into your tires. Plus, its aluminum construction is lightweight, durable and easy on the eyes. What's more, the Alloy Drive is Presta/Schrader compatible, comes with an anti-freeze sleeve, and works with 16g threaded cartridges. - CNC machined aluminum dispenser with brass internals - CNC control knob twists for easy and controlled inflation - Twin Slip Chuck head presses on to Presta and Schrader valves - Neoprene sleeve insulates hand from cold during discharge - Compatible with threaded CO2 cartridges - Comes with one 16g cartridge

Quick-Clip design for frequent Schrader use. Prestacycle's oversized spring stands-up to high bicycle pressure for a good seal and safety. The compact angle head goes where even floor pump heads can’t reach, like kids bikes and small scooter tires! Made with 6061-T6 Alloy – it’s as strong as Brass and only 1/3 the weight. Patent-pending 2-way connector screws onto the Prestaflator threaded connector or directly clamps to a hose.

Lezyne's Micro Floor Drive HPG is a powerful mini-pump that thinks it's a floor pump. Its fold-out foot peg and aluminum construction make it easier than ever to pump up to a maximum pressure of 160 psi. You'll appreciate the ergonomic handle, extra-long hose with an inline pressure gauge and Presta/Schrader-valve compatibility. A frame mount and Speed Chuck is included, too.

Replacement rubber hose and ABS Flip Thread Chuck for all high-pressure floor pumps and Micro Floor Drive (HV/HVG & HP/HPG) hand pumps. Includes all necessary aluminum connectors.

Topeak's Micro Rocket AL is a small pump that packs a punch. Small in stature, this 6.3-inch pump is a giant in tire inflation. It utilizes a compact, single-action design to blast tires up to 160 psi.

Don't let this diminutive pump fool you: SKS' Airboy has big lungs and it's ready to fill your tires quickly. Light and tough, this high-pressure pump fits in your jersey pocket easily and fills your tires up to 115 psi. The unique 2-chamber/2-plunger pumping system provides high pumping efficiency so you get back to your ride quicker. And, at only 62 grams, you'll forget you have this little bad boy when you're not using it.

Prestacycle introduces the new Prestaflator Mini. A new tool for Bicycle tire inflation designed for quick and easy one-handed inflation of bicycle tires.

Get more power per pump with the Versair. The dual function mini pump can be used like a traditional hand-held mini pump or upright like a floor pump to maximize power. It'll get you pumped up fast. - Durable aluminum barrel creates smooth pumping action - Dual function allows for use as a mini floor pump or hand pump - T-handle and swivel foot base adds comfort, stability and power - Large gauge with easy-read face - Reversible Schrader/Presta valve head - Long reach stow-away hose prevents valve damage - Includes mounting bracket - Rebuildable - Designed for fast inflation of high-volume & high-pressure road tires to 100 psi, pressure rated to 200 psi - Length: 296mm - Weight: 190grams

A floor pump is one of the best investments a rider can make to keep their bike ready for action. Experts agree that tire pressure affects ride quality more than any fancy frame material, the latest suspension, or high-tech wheels. In addition to ride quality, tire pressure affects traction for cornering and stopping, rolling efficiency, power transfer, flat prevention, and overall safety. A floor pump will make inflating your tires easier, faster and more accurate when compared to a small hand pump, compressor, or other inflating device. The Prestige's features include high quality steel and plastic construction for durability, a dual-head design with thumb-lock lever for easily switching between Presta/Schrader tube valve types, a top-mounted integrated pressure gauge for easily monitoring pressure during inflation, comfortable ergonomic dual-density plastic composite handle, and heavy-duty composite base for stability. The Prestige is designed with a long-stroke, narrow barrel design to quickly inflate tires, but with less effort, up to 160PSI (8 Bar) maximum pressure. - High-quality steel and plastic construction designed with performance and value in mind - Features dual Presta/Schrader head with thumb-lock lever, integrated top-mounted pressure gauge and ergonomic dual density plastic handle - Long-stroke, narrow barrel design quickly inflates with less effort up to 160PSI (8 Bar) maximum pressure

It’s back, the Pro’s favorite! Perfect for Tubeless tires, valve extenders and any Presta valve. It includes Prestacycle's newest version of the Mini Presta Head Gasket using Urethane Elastomer. It’s softer and stronger. It lasts more than 5 times longer, gives a better seal and flexes to work anywhere along the Presta shaft for any Presta application. Prestacycle's design engages the Presta valve just below the cap threads and requires less insertion. Deep head adapts to a wide variety of applications including valve extenders. The head is now very easy to get on and off. This head is a MUST for Tubeless tire users. Allows high-flow inflation with the valve core removed for seating tires. PUSH on / PUSH off – the fastest way to get you going. Made with nickel-plated 6061-T6 alloy – Strong as Brass and only 1/3 the weight. It’s also compatible with Silca pumps and can be adapted to other pump brands with our optional Schrader barb or our floor pump replacement hose. Patent-pending 2-way connector screws onto the Prestaflator threaded connector or directly clamps to a hose.

Planet Bike's line of CO2 replacement cartridges makes tire repairs quick and easy. - Planet Bike's CO2 cartridges work in Planet Bike inflators as well as most competitors' inflators. - Planet Bike cartridges are tested to the highest standards for durability, safety, and reliability. They contain pure CO2 with no oils or contaminants. - 100% recyclable steel cartridges - All threaded cartridges are compatible with Air Kiss, Red Zeppelin, Red Zeppelin 2 & Air Smith CO2

Pssstttt. Tired of hearing that when you disconnect your shock pump? Well, hear it no more thanks to Topeak's Pressure-Rite. It's a must have for suspension fanatics as its ingenious design prevents air loss when adjusting shock and fork pressure. It's also available in a Presta version, perfect for disc wheels.

The easiest way to use CO2. - Gauge confirms proper inflation, making it easy to adjust pressure mid-ride. - Thumb trigger gives precise control. - Accommodates threaded 16g and 25g cartridges. - One 16g CO2 cartridge included.

SKS's Rennkompressor Floor Pump is a legend. For over four decades, this German work of art has been the go-to pump for countless cyclists the world over. The E.V.A. head works with all valves and the 230 psi/16 bar max pressure can fill even the highest quality track tubulars. Sturdy aluminum construction, an oversize gauge, and a long hose will make it your go-to pump, as well.

A Schrader valve adapter allows using the JoeBlow Ace floor pump for quickly pumping forks and rear shocks. Built-in air release knob allows fine tuning air pressure.

Deluxe steel floor pump – Metallic Grey Make sure you ride in comfort with the correct tire pressure. Planet Bike's redesigned STX floor pump has a big 3" integrated gauge and the Auto Head fits both Presta and Schrader valves. It’s engineered for smooth and efficient inflation. - Rugged steel barrel, plunger, and base - Anatomically designed handle for comfortable air compression - Auto Head fits both Presta and Schrader valves - Oversized 3 inch 160 psi dial gauge - Pressure rated to 200 psi - Needles included for pumping up sports balls - Large steel base for stability - Rebuildable - Height: 27”

Carry the essential roadside/trailside tools with the MSW Tool Hugger Kit. The Kit includes all the basics for quick repairs: CO2 cartridges, inflator head, tire levers, mini tool, and patch kit. Bring along your own tube and roll them all up in the Tool Hugger Wrap, which attaches to standard saddle rails, or just toss it into a jersey pocket. - Durable Cordura outer layer - Seven elastic tool compartments - Hook and loop closures

MSW threaded CO2 Cartridges fit all MSW inflator heads as well as other manufacturer's inflators.

- Full alloy forged floor pump - Laser etched graphics - Full Oil Slick finish - Oversized alloy piston shaft-Smooth and quiet operation - Patented auto-switching head fits presta and schrader valves

- 21" high flow composite barrel floor pump - Schrader valve head with included Presta adapter - Type: Floor - Head Type: PV/SV - Max PSI: 120psi - Length: 21" - Barrel Material: Composite

The Muc-Off Inflator kits help riders quickly inflate their tires and quickly get back to riding in no time. Each kit contains 2x cartridges, 1x compact and durable CNC-machined inflator head with soft-touch press down button which easily controls CO2 release. Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn. - Push design to easily control CO2 release - Stainless steel internal pin - Dual head nozzle, compatible with both Presta & Schrader valves - Compatible with most threaded 16g & 25g CO2 Cartridges - Two cartridges included

The Muc-Off Inflator kits help riders quickly inflate their tires and quickly get back to riding in no time. Each kit contains 2x cartridges, 1x compact and durable CNC-machined inflator head with soft-touch press down button which easily controls CO2 release. Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn. - Push design to easily control CO2 release - Stainless steel internal pin - Dual head nozzle, compatible with both Presta & Schrader valves - Compatible with most threaded 16g & 25g CO2 Cartridges - Two cartridges included

Lezyne's ABS Pen Gauge is a replacement flex hose with an integrated, in-line psi/bar pressure gauge with easy to read markings. It is stored inside the handle of Flex Hose equipped Lezyne hand pumps (Medium and Large sizes only, sold separately), and is equipped with the ABS Flip Thread Chuck which threads onto Presta and Schrader valves for a secure connection.

20 grams of Genuine Inovations' exclusive size CO2 cartridge. Specifically designed for your larger volume 29ers, mountain and fat bike tires. These non-threaded CO2 cartridges work great with the Ultraflate (#G20310) and Full Metal Jacket (#G20440) inflators. Available in a 2-pack or 6-pack!

With a conjoined secondary chamber that can be manually pressurized, Lezyne's Digital Pressure Over Drive floor pump is capable of conveniently seating tubeless tire systems. An integrated foot-lever opens and closes the chamber; when the chamber is full (Max. 220psi / 15 bar), flipping the lever down creates a powerful, continued blast of air that can seat road, mountain and plus-sized tubeless setups. This provides tubeless users an effective alternative to air compressors and CO2 units. Furthermore, a highly accurate digital gauge is incorporated into the pump for precision inflation when filling low- or high-pressure tires. Constructed from high-grade steel and aluminum, the Digital Pressure Over Drive is extremely durable and features an extra-long, nylon-reinforced braided hose. The innovative ABS2 chuck is both Presta- and Schrader-compatible and the system can also be used as a regular floor pump.

Lezyne packed a complete CO2 inflator and tire repair kit in a simple, reusable poly bag. This kit includes a Twin Speed Drive inflator, two threaded 16g CO2 cartridges, Power Levers, and a Smart Kit, all the essentials needed to fill your pack for the unexpected tire repair.

The “Holster” allows you to carry your GUP in style and have quick access to it when it’s needed the most. The long Velcro strap allows it to fit on most frames, seat posts and saddle rails, while the lightweight silicon block protects your frame and keeps your GUP securely fastened. Holster up!

Topeak's Joe Blow Sprint quickly inflates tires thanks to its durable aluminum barrel, a sturdy steel base, a tight-sealing aluminum thumblock head that fits Presta and Schrader valves and an oversized, padded handle. And, the easy-to-read, top-mounted gauge lets you dial in the perfect pressure every time!

The Roadie TT Twin Turbo is a full-metal, pocket-sized mini pump that transfers larger air volume from a bigger diameter outer chamber into a smaller diameter inner chamber to deliver more air at higher pressures to fill tires 50% faster and easier. Integrated dust cap keeps pump head clean and thumb lock lever ensures an air-tight seal. - Head: Presta with integrated dust cap - Barrel / Thumb Lock / Handle: Aluminum - Capacity: 160psi / 11 bar - Volume Per Stroke: 41.4cc - Side mount bracket - Size: 19.5 x 3.3 x 2.35cm / 7.7" x 1.3" x 0.9" - Weight: 100g / 3.53oz

The Pocket Drive HV is an incredibly compact and lightweight high-volume bike hand pump featuring impressive pumping efficiency for large tire applications, e.g. gravel or mountain bikes. It's constructed from durable CNC-machined aluminum and has a knurled barrel for slip-resistant operation. 90 PSI max.

The essential accessories that complement a new bike are key to having the best experience. MSW Ride & Repair Kits combine all those ride essentials into one convenient, money-saving package. Available in several configurations to meet the needs of different types of riding and different types of riders. - This Ride and Repair Kit provides everything needed to fix a punctured tire. The kit includes an eight-piece multi-tool, glueless tire patch kit, three tire levers, CO2 inflator & cartridges, and a seat bag to put it all in - 50 cubic inch seat bag with hook-and-loop mounting straps - Three MSW tire levers - Eight-piece flat-pack multi-tool with 2/3/4/5/6mm hex wrenches, T25 Torx, flathead & Philips screwdrivers - Glueless patch kit with six patches, sandpaper, instructions - Windstream Push-On CO2 inflator head - Two 20g CO2 cartridges

Give your tires a kiss of air with Planet Bike's Air Kiss CO2 Inflator. It fits Presta and Schrader valves, holds fast thanks to the thumblock head, and inflates in a jiffy. The cartridge is insulated with a sleeve to prevent frozen fingers during use, and the small size means the Air Kiss fits easily in bags, pockets and packs. A 16-gram cartridge is included.

- Includes everything for a quick fix while on or off-road - Giant seat bag - 12 glueless patches - 2 tire levers - Mini pump - 9 function multi-tool

Keep your suspension pressure dialed-in with RockShox's High-Pressure Fork/Shock Pump. It features an aluminum barrel with an ergonomic handle, a handy finger-tap bleed adjust button for fine-tuning settings, and a large gauge. The hose swivels 360-degrees to fit anywhere.

- MSW threaded CO2 Cartridges fit all MSW inflator heads as well as non-MSW inflators - 38-gram threaded cartridges are sold individually

Don't guess at your tire pressure, know with Sunlite's Duo Sport Gauge. This precision gauge reads your pressure accurately to 160 psi. The dual head works and plays well with both Presta and Schrader valves, too.

Coil hose made is USA is superior to imported coil hoses. Rated for high pressure and durability. Brass swivel ends on both ends of the hose. Standard 1/4” NPT threads. Narrow hose increases strength and reduces waste when using Nitrogen. Short length hose recommended when your inflation source is close to your work or is portable and is usually moved to your work. Great for Nitrogen and small portable Air Compressors. Vibraseal coated threads, no thread tape or sealant needed!

You'll ride with peace of mind when you pack a can of Vittoria's Pit Stop Tire Sealant. It contains pure latex foam sealant and compressed air to quickly inflate and repair your tire so you can get on with your ride. Available in three sizes for varying tire volumes: - Road Racing: inflates 21-28-inch tubulars up to 94 psi and 700c clinchers up to 87 psi so you can ride, instead of walk to the closest pump and top off the tire to full pressure. - 75mL: Repairs and inflates low-volume MTB tires in less than a minute. - 100mL: Repairs and inflates meaty 27.5-inch tires and cross country 29-inch tires in less than a minute.

Lezyne's easy-to-use Trigger Speed Drive CO2 is super compact and portable. Its simple triggered operation lets you control exactly how much CO2 you're putting into your tires. Plus, it's press-on Presta compatible head is super fast to use and works with all threaded cartridges.