Inflation

Specialized's Air Tool Sport Floor Pump boasts all-steel construction, durable internals, a long hose, a sturdy handle and a three-sided base for easy pumping and excellent stability. You also get Specialized's SwitchHitter head that automatically adapts to fit Presta and Schrader valves, and an easy-to-read, 2-inch gauge to make dialing in the right pressure a breeze.

Planet Bike's Dial Gauge makes it easy to ensure you always have the right pressure in your tires, which makes the riding easy and helps prevent flats. Built to last, this quality gauge works on all valves and has a large easy-to-read dial.

Topeak's SmartGauge D2 boasts a digital readout that goes up to 250 psi and it's compatible with Presta and Schrader valves, as well as shocks and suspension forks. The head rotates 180 degrees to get in tough spots, and an air release button helps you dial in the perfect pressure.

Tune your suspension to perfection wherever you are with Specialized's Air Tool Shock Pump. It's easy to get exact pressures with the dial gauge and the micro air bleed button. Plus, the compact design means it will easily fit in your hydration pack.

The JoeBlow Sport with unique 2-stage design delivers both high pressure and high volume in record time. Stage one opens both barrels for huge volume, reaching 30 psi with 30% less effort than standard floor pumps. Stage two utilizes the small barrel for pressures up to 160 psi. Hammer type TwinHead DX5 pump head with an extra-long and tangle-free hose makes it easy to reach valve stems. A durable steel barrel and large steel base provide extra stability. - Head: Hammer type TwinHead DX5, Presta / Schrader / Dunlop valves with extra-long 360 pivot hose - Barrel: Painted steel / anodized aluminum - Gauge: 160 psi / 11 bar, 3" mid mount analog Stage 1 : 0 - 30 psi Stage 2 : 30 - 160 psi - Volume Per Stroke: 715cc (Stage 1), 258cc (Stage 2) - Handle: Oversize / Dual density polymer - Base: Hardened steel - Ball / bladder heads, Hose dock - Size: 74 x 26.6 x 18cm / 29.1" x 10.5" x 4.6" - Weight: 2.5kg / 5.51lb

Park Tool's Micro Pump is a super small micro pump that fits in just about any bag or jersey pocket or mounts directly to the frame. Ideal to take along when space and weight are an issue. Aluminum barrel with a locking dual head and soft-touch dual-density flip out handle. - Presta and Schrader valve compatible - Maximum pressure: 100 psi / 7 bars - Weight: 3.7 ounces (105g) - Length: 7 7/8" (200mm) - Includes mounting hardware to securely attach to water bottle bosses or under bottle cage

Mountain TT Twin Turbo pump fills both large volume fat bike tires and higher pressure MTB tires, as well as gravel bike tires with ease. TwinTurbo technology uses both strokes to compress air to deliver high pressure output and saves time and effort. Integrated dust cap keeps pump head clean and thumb lock lever ensures air-tight seal. Specs - HEAD: Presta / Schrader / Dunlop with integrated dust cap - BARREL: Aluminum - THUMB LOCK / HANDLE: Plastic - CAPACITY: 120 psi / 8 bar - VOLUME PER STROKE: 90.9 cc - SIZE: 22 x 5 x 4 cm / 8.7” x 2” x 1.6” - WEIGHT: 192 g / 6.77 oz Added Feature - Side mount bracket

Planet Bike's Ozone ATB AL Mini-Pump is a ride-saver. For easy pumping and fast fills, it boasts a sturdy aluminum barrel, a locking T handle, an easy pumping action and a thumblock head (with a cap to keep the mud out). This great inflator fits all valves and is small enough to carry in a pack or pocket, or you can use the included frame mount.

Topeak's Pocket Rocket boasts an aluminum barrel for superb function, durability and max pump power, while its plastic handle ensures pumping comfort. And, its aluminum thumb-lock head fits both Presta and Schrader valves.

The Klic Floor Pump effortlessly adapts to your needs with a magnetic quick-connect interface. The hidden hose with integrated gauge stores neatly away in the pump body when not in use, and can be used separately as a standalone tire pressure gauge. The optional burst tank installs or removes in seconds, and can be used either separately or integrated for installing and inflating tubeless tires with ease. - Burst tank can be pressurized to install and inflate tubeless tires - Tank is removable for easy transport - Hidden hose stores neatly in the body of the pump

You'll have a whole lotta love for this CO2 inflator on long rides. It fits Presta and Schrader valves and weighs next to nothing. The cartridge is insulated with a sleeve to prevent frozen fingers and the small size means the Red Zeppelin fits easily in bags, pockets and packs. Two 16-gram cartridges are included. Now you'll never be stuck like a "Fool in the Rain."

16g CO2 Canister from Specialized.

Keeping your bike's tires properly inflated is the best way to ensure a happy ride. Maintain pressure and avoid pinch flats with MSW AirLift Floor Pumps. - Smart head fits on both Presta and Schrader valves - Steel barrel and steel base - Bleed valve for fine-tuning pressure - Max pressure: 150 psi - Extra-long 48-inch hose - 2.5-inch diameter gauge - Hidden inflation adapter kit for toys, balls & rafts - Overall height: 25-inches

Designed for Fat and Semi Fat tire bikes, the Big Bore packs massive volume per stroke and a unique head that still works with winter gloves on - Oversized press-on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves. - Flexible hose attachment allows for aggressive pumping without fear of damaging valve stems. - Inverted barrel design allows for high volume in a compact size. - Coarse machined aluminum barrel for extra grip. - Water bottle boss mount with elastomer band included. - Max pressure: 50psi (3.5bar) - Volume per stroke: 90cc

Specialized's Air Tool UHP Floor Pump makes it easy to dial in your fork and shock. With a cast aluminum base and an aluminum barrel, this sturdy floor pump reaches 350psi with ease. What's more, the micro air bleeder makes it easy to set the perfect pressure.

Park's Vulcanizing Patch Kit includes 4 round patches for small holes and 2 oval patches for wider cuts; a tube of self-vulcanizing glue that bonds the patches to your tube super securely; and sandpaper for preparing the punctured area for gluing. The kit comes in a small plastic box to fit in your seat bag or pack.

Inflating up to 120psi and handling both Presta and Schrader valves, Control Tower 4 is constructed with a reinforced composite barrel and plastic base. With an ergonomic handle it comes fully loaded with a ball needle and inflator for a practical, multi purpose pump. - DoubleHead valve - Ball inflator accessories included - Plastic barrel and base - Durable steel shaft

• Up to 120psi • Gauge • Lightweight

Topeak's Peakini II is a powerful mini pump that's ideal for road and trail use. It sports a reversible head so you can pump both your Schrader and Presta valves with ease. And, its highly efficient, single action design and T-handle mean you'll be back out riding after a flat quicker than ever.

Back by popular demand, the Air Tool MTB Floor Pump is better than ever. Designed for low pressure, high volume tires, it provides precise pressure to ensure that your tires are set up for whatever the trail throws at you. - Oversized 3" (76mm) gauge has 0-40 PSI range for maximum resolution when filling large tires. - Massive 508cc volume aluminum barrel pushes enough air to seat tubeless tires. - Ergonomic Wing handle with pressure relief valve. - Auto selecting SwitchHitter II technology. - Includes spare rubber seal for head. - Max pressure: 40 PSI (2.7bar) - Volume-per-stroke: 508cc

- Standard threaded cartridges are 3/8" x 24tpi thread to fit any brand inflator - Law prohibits ORM-D materials from shipping by air - Box includes 20 CO2 cartridges

25g CO2 Canister's from Specialized.

The Air Tool Flex MTB/Road uses an inverted chamber design that allows for quick fill-up on mountain tires but can still reach the high pressures needed for road tires. - Twin Schrader and presta thread on T-head - Inverted barrel design allows for efficient high volume and high pressure pumping - Lightweight and compact hose with built-in flex to prevent excess stress on valve stems - Water bottle boss mount included

Lezyne's Micro Floor Digital Driver is their ultimate portable pump with an integrated, highly advanced digital gauge. Lightweight CNC-machined aluminum barrel, piston, base, and T-handle optimized either for high-pressure (160 psi max) or high-volume (90psi max) applications. Long, versatile hose improves pumping convenience. Stainless steel foot peg stabilizes pump during use. - ABS Flip-Thread Chuck equipped - Includes composite matrix frame mount

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 features on the Domestique includes 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, an integrated pressure gauge, comfortable ergonomic plastic composite handle, and heavy-duty composite base for stability. - High-quality steel and plastic construction designed with value in mind - Features dual Presta/Schrader head with thumb-lock lever, integrated pressure gauge and heavy duty composite base - High air volume stroke quickly inflates up to 120PSI (8 Bar) maximum pressure

The Airlift 220 is a single action mountain bike pump that is small enough to bring along on the trail. It features full-body alloy construction with a cross-hatch texturing for better grip in slippery situations. - Smart head fits on both Presta and Schrader valves - Compact, 5-inch hose extends for easier operation - Rubber seal holds pump handle in place - Includes a frame mount and two 4mm bolts - Pumps up to 80 psi maximum pressure

The high-pressure portable hand pump with hidden hose, pressure gauge, and co2 inflator. Details - Premium pump with flexible rubber hose that hides inside the body of the pump when not in use—perfect for those stealth air-strikes! - Features also include a concealed co2 inflator (Presta only), air pressure gauge, magnetic head with twisting collar, a folding and locking handle, and a Presta/Schrader valve adapter (fully threaded Presta valve bodies only) - Hp (high pressure) version recommended for tires 45c and narrower - All klic pumps come with a bottle cage bracket mount Specs - Length: 260mm - Pressure: 120psi/8.3bar - Warranty: 5 years - Weight: 170g

- 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

A Shop Quality Precision Pump For The Home Mechanic. Meet the Core Pro, our top of the line floor pump. Constructed of durable 6061 Alloy, the Pro stands at nearly 29 inches tall, giving it the largest air chamber in our line. That means less pumps for greater pressure. The Pro also boasts a 51-inch hose to reach your bike, even if it's on the back of your car. Our AirTap head is designed to be compatible with Presta, Schrader and even Dunlop valves and it features an in-line bleed button for pressure perfection. Did we mention it might just be the best looking cycling accessory you own? Airtap Core Pump Head - Our AirTap reversible pump head works with Schrader, Presta or Dunlop valves and features an integrated air bleed button right at the valve for perfect pressure, every time. Aviation Gauge - The massive, 3-inch-wide base-mounted gauge lets you easily read your tire pressure, and adds to the footprint of the Core pump's solid stance. Extra-Long Hose - Whether your bike is on a hitch rack, in the work stand or at the trail head, we've got you covered. The Core Pro floor pump boasts a 51-inch-long hose to reach just about anywhere. 6061 Alloy Construction - The handle, air chamber and base of the Core Pro are constructed of 6061 alloy. Strong enough for aircraft means it's a perfect material for a shop-level floor pump.

Replaces worn end on any pump hose. - Head Type: Schrader

Can you tell the difference between 15psi and 17psi? No you can't. We can't either, but Blakburn's digital gauge can. Today's wider, lower pressure tires are more pressure-critical than back when we just used to put as much pressure in as the pump could stand. It's not about fending off flats these days, it's about grip. And the difference between too much and not enough can be as little as a couple of pounds of pressure. The days of "giving it a squeeze" are over. - Swivel/Dual Head - Backlit Display - Accurate within 1% of pressure - Rated from 1-150 PSI - Key Chain Loop - 0.30lbs

- Thumb control keeps thumb safe from cold air - Ergonomic design ensures accurate valve pressure - Simple push-on feature activates air cartridge - Includes 1, 16g threaded CO2 cartridge - Presta and Schrader valve compatible system - Compatible with threaded and non-threaded cartridges

When a flat strikes, this organized kit will get you rolling in no time. Kit Includes: - Control Blast 0 Inflator Head - Mtb Kit: (65067) 2, 25G Threaded Co2 Cartridge - Road Kit: (65066)2, 16G Threaded Co2 Cartridge - Ratchet System Multi-Tool (2, 2.5, 3, 4, 5 ,6Mm Hex, T10, T25 Torx And Flathead) - Liv Tire Levers

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.

The best road mini pump does two things well—it inflates tubes quickly, and it stashes easily. The reliable Air Tool Road Mini pump moves almost twice as much air as its predecessor, thanks to its inverted dual chamber design. It gives you total peace of mind on days when pesky flats catch you off-guard. - Inverted dual chamber design is smaller yet moves 58% more air per stroke when compared to our previous design, reducing pumping time by up to four minutes. - Presta-only head with updated dust cover prevents pump from opening due to vibration. - Machined outer barrel for extra grip while pumping. - All-aluminum inner and outer chamber for durable performance. - Water bottle boss frame mounting bracket included. - Max pressure: 100 PSI (6.9 bar) - Volume-per-stroke: 30cc - Volume-per-stroke: 30cc - Water bottle boss frame mounting bracket included.

90 Degree twist style mini CO2 head used on SWAT products - Twist design allow CO2 cartridge to be threaded into head and then unthreaded to start CO2 flow. - Flow can be controlled or stopped by threading cartridge back into head. - Includes plastic spacer that allows head to be mounted for storage on cartridge without piercing it.

The Air Tool MTB pump is Speialized's most dependable and durable big-volume frame pump. It's intended to be carried on the bike for use in all off-road conditions. You'll find that it features a new inverted design, so it greatly increases air capacity, which reduces pump time by up to two minutes. - All new inverted, double chamber design increases the air handling capacity by 28% compared to our previous design, reducing pumping time by up to two minutes. - Twist locking head reduces size and can be easily converted to fit Presta or Schrader valves. - Machined outer barrel for extra grip while pumping.. - All-aluminum inner and outer chamber for durable performance. - Water bottle boss mount included. - Max pressure: 60 PSI (4.1bar) - Volume-per-stroke: 100cc

This durable pump with SwitchHitter head automatically adjusts for Schrader or Presta valves. - SwitchHitter head works on Schrader or Presta valves with no disassembly. - Plunger locks to body chamber with a simple twist for secure storage. - Water bottle boss mount included. - Max pressure: 120psi (8.3bar) - Volume per stroke: 48.4cc

The Prestaflator ECO is designed with a medium flow trigger valve providing a perfect balance for inflation and seating tubeless tires. The dial pressure gauge lets you follow your progress visually. Designed for Bicycle Mountain & Road tires with a wide range of pressure requirements. Auto-Select Head Presta / Schrader auto-select head engages with a simple flip of the lever. Quick lever release minimizes air loss at disconnect. Quality Prestaflator is engineered specifically for the needs of bicycles and bicyclists. Only top quality materials are used for it’s components. We start with a cast Alloy body and give it a Nickel plated finish. The hose is made of reinforced PVC. It’s more flexible than rubber hoses and is rated for 300 PSI of continuous use. Smooth alloy clamps on the hose are more comfortable for use. The pressure gauge has a durable steel case covered with a rubber shock housing and offers accuracy with +/- 2%. The dial has a bicycle-specific pressure range of 12 Bar/174 PSI. It’s high enough to inflate any daily-use tire, but not excessive so the gauge is easy to read. Prestaflator – The Original Beware of fakes and cheap imitations sold by one-product sellers. These are not real brands that can stand behind your product. Prestacycle is the originator of the Prestaflator. We are a full-line Bicycle tools company providing the Cycling industry globally with world-class tool designs. Our R&D has created a proven design that we have consistently improved-upon through years of experience. Prestaflator is different… a high quality, serviceable tool… designed, built and warranted for use on Bicycles. Specifications: - 2" / Steel body dial pressure gauge. - 150 PSI (in 2 PSI increments). - 10.5 Bar (in 0.2 Bar increments). - Copper coil mechanism provides good accuracy. - Polymer Presta / Schrader auto-select head. - Engages any valve with a simple flip of the lever. - Presta AND Schrader - Quick lever release minimizes loss at disconnect. - Replaceable I/M compressor quick-release attachment. - Rubber pressure gauge housing for shock protection. - Cast alloy pistol grip handle with Nickel-plated finish. - Thumb-control pressure release button. - High-pressure hose for easy access on any wheel. Disclaimers Air compressor and air hose with quick release connector required for use – not included. Maximum air pressure is limited by your compressor’s capabilities.

When a flat strikes, this organized kit will get you rolling in no time. Kit Includes: - Control Blast 0 Inflator Head - Mtb Kit: (65067) 2, 25G Threaded Co2 Cartridge - Road Kit: (65066)2, 16G Threaded Co2 Cartridge - Ratchet System Multi-Tool (2, 2.5, 3, 4, 5 ,6Mm Hex, T10, T25 Torx And Flathead) - Giant tire levers

Giant's Control Blast 1 CO2 Inflation Kit consists of an inflator head that fits Presta valves, a cartridge sleeve, and a 16-gram CO2 threaded cartridge. It also accepts 12-, 16-, 20- and 25-gram threaded CO2 cartridges. The head features controllable air release so you can fine-tune your pressure.

- Genuine Sunlite replacement hose - Type: Fits Sunlite #4301 : 16 5.8mm

The Portland Design Works Fatty Object is the first CO2 inflator on the market designed specifically to inflate fat and plus-sized tires. Made of indestructible alloy, the Fatty Object fits on both Presta and Schrader valves and its oversized control knob is easy to operate, even with gloves on. The Fatty Object comes with a 38g threaded CO2 cartridge a lightweight foam insulator sleeve that will fill a 26x4.8 tire to 6-7psi or a 29x3.0 tire to 20-22psi. - Precision-machined body - Fits Presta and Schrader values - 38g threaded CO2 cartridge which fills a 26x4.8 tire to 6-7psi or a 29x3.0 tire to 20-22psi - Inflator only height: 44 mm (1.75") - Inflator only weight: 40g (1.3 oz)  - Foam insulator sleeve length: 77mm (3") - Weight of inflator with cartridge: 80g (6.9 oz) - Instruction manual (PDF) - Lifetime PDWarranty

- Mini multisport pump perfect for taking along on the next adventure - Ball needle and inflator included - Presta/Schrader reversible head - 2-way pumping action - Twist lock valve connection - 80 psi max - Head Type: PV/SV

- 22" high flow steel barreled floor pump - 2.5" EZ Read gauge - Schrader valve head with included Presta adapter - 160psi maximum - Type: Floor - Length: 22" - Barrel Material: Steel

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.

- High effeciency design - Lightweight composite construction - Thumb lock release - Reversible Presta/Schrader with bracket

Easy to use, easy to control and affordable. The Mircoflate Nano gives you the best bang for your buck when it comes to quality and ease of use. Simply thread on your favorite CO2 cartridge, twist the cartridge off slightly to engage inflation and tighten it back on to shut it off. Petite power! - Compact and nearly indestructible - Easy to use and fully controllable - Patented twist-to-inflate technology - Press on to both Schrader and Presta valves - Compatible with 16 gram, 20 gram and 25 gram threaded CO2 cartridges Product includes: (1) Microflate Nano inflator head (1) threaded 20 gram CO2 cartridge

Planet Bike's Ozone ATB Comp Mini-Pump is a ride-saver. For easy pumping and fast fills, it boasts a locking T handle, an easy pumping action and a thumblock head (with a cap to keep the mud out). This great inflator fits all valves and is small enough to carry in a pack or pocket, or you can use the included frame mount.

Inexpensive Doesn't Mean Cheap. The Core 2 pump still shares all the techy bits of its big siblings but is built for folks operating on a smaller budget. The AirTap head will function with Schrader/Presta/Dunlop valves and has an integrated bleed valve for dialing in your pressure. Our aviation-style gauge is 2.5 inches wide, and easy to read. It's also built into the base to add to the stability of the Core 2 during use. Whether you are in the basement, the garage or at the trail head, the Core 2 has you covered. - Dimensions: 4.25 x 9 x 24 inches Airtap Core Pump Head - Our AirTap reversable pump head works with Schrader, Presta or Dunlop valves and features an integrated air bleed button right at the valve for perfect pressure, every time. Aviation Guage - The 2.5-inch-wide base-mounted gauge lets you easily read your tire pressure, and adds to the footprint of the Core 2 pump's solid stance. Air Bleed - Button on the pump head to micro-adjust pressure.

Sunlite's Model W Floor Pump has a 20-inch tall steel barrel for easy inflation. For easy transport and storage, the base features folding feet. The easy-to-use thumblock head fits all of your Schrader valve tubes.

Big volume barrel while Dual-Action (DA) doubles volume with each stroke and inflates tires up to pressure fast. Integrated dust cap keeps pump head clean and thumb lock lever insures air-tight seal. Specs - HEAD: Presta / Schrader / Dunlop with integrated dust cap - BARREL: Aluminum - THUMB LOCK / HANDLE: Plastic - CAPACITY: 60 psi / 4 bar - VOLUME PER STROKE: 81.4 cc (pull + push) - SIZE: 22.3 x 4.6 x 3.4 cm / 8.8” x 1.8” x 1.3” - WEIGHT: 126 g / 4.44 oz Added Features - Dual-action pumping head - Side mount bracket

Planet Bike's redesigned ALX floor pump is rugged and accurate. Its smooth stroke, big 3" integrated gauge and no-fuss Auto Head will get you back up to pressure. More than just a work horse, the striking red anodized barrel and classic wood handle make this pump a thing of beauty. - Lightweight anodized 6000 series aluminum barrel - Classic wood 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”

Planet Bike's MicroPro Mini-Pump inflates tires fast and easy thanks to its locking T handle, aluminum barrel and thumblock head. It fits all valves and comes with a frame mount for easy carrying.

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!

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

Lezyne's CNC Floor Drive is the ultimate, professional grade floor pump. Full CNC-machined aluminum construction and hardware. Oversized 3.5-inch precision gauge. 220 psi max. Extra-long, nylon-reinforced braided hose with aluminum couplers. Durable anodized high-polish finish. - ABS2 equipped.

Lezyne's convenient Twin Kit includes their Twin Speed Drive CO2 inflator, two CO2 cartridges, a couple tire levers and a Velcro strap to keep it all together. Its aluminum head is compatible with both Presta and Schrader valves, and uses a simple twisting action for easy inflation. And, it accepts all threaded CO2 cartridges.

The Airlift 200 is a single action bike pump that is compact enough to keep on hand anytime and anywhere. It has a large chamber to fill tires fast and a pump handle that locks in place for extra security. - Smart head fits on both Presta and Schrader valves - Compact, 5-inch hose extends for easier operation - Pump handle locks into place - Includes a frame mount and two 4mm bolts - Pumps up to 80 psi maximum pressure

Portland Design Works' incredibly lightweight and compact Tiny Object CO2 Inflator efficiently fills flats. Use the control knob to dial in the perfect pressure while the included leather sleeve protects your hands from frosty CO2 cartridges. Its rugged alloy body is built to withstand years of road- and trail-side repairs. - Presta valve compatible - Control knob easily regulates CO2 flow - Full grain leather sleeve is vegetable tanned and conditioned with natural oils and waxes - Lifetime PDWarranty