Accessories

Tri-Flow Superior Lubricant is a light viscosity lube that allows for deep penetration into hard to reach moving parts. - Ideal for all conditions - wet, dry, road and trail - High grade petroleum oils provide optimum lubrication under extreme temperatures (-60 to 475F) and humidity

- 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

The Pocket Organizer is a compact, water-resistant cycling wallet designed to organize loose cycling accessories and optimized to neatly fit in a jersey pocket. Ideal for cash, cards, and tools.

Updated Pronto formulation is faster acting delivering results within 30 minutes of dosage. No weeks-long "loading" phase like other products and no need to take it every day. Take only before and during exercise Primes muscles to make less lactic acid in the first place. Cycling feels easier with less muscle "burn" during the ride, and less soreness after Healthy FDA generally recognized as safe ingredients: 88% European natural-source lactate (not lactose), which is muscles' preferred fuel. Balanced calcium, magnesium, and vitamin D to speed absorption, in color-free vegetable capsules. UCI & WADA legal. No sodium, gluten, dairy, or calories Dosage recommendations: 1 capsule per 50lbs of body weight 1/2 hour before exercise, repeat every 2-3 hours during activity (additional dose upon completion to minimize recovery soreness) Third-party online sales are strictly prohibited by the manufacturer.

SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs. - Up to 1000 kilometers of riding per charge - Weight: 24g - Finish: Black - Compatibility: SRAM RED eTap

- Makes your bike shine like new and keeps it that way. - Biodegradable formula cleans, polishes, and protects in one step. - Also great for dropper posts, suspension, and for seating tire beads. The original bike polish, Bike Lust's proprietary silicone-based formula includes a biodegradable cleaning agent. Bike lust goes on wet, quickly cleaning light dirt and grime as it polishes, and then dries to a beautiful protective coating. Works on any surface or material in one simple step making your bike look like new and future cleaning easier! Also great for dropper posts, suspension, and for seating tire beads. Bike Lust can be used on all types of materials and finishes including carbon fiber and matte finishes. It's also fantastic on tires to help shed mud and dirt as you ride.

- Creates a ceramic coating for incredible durability and long distance performance - Provides ultra low friction for ultimate drivetrain efficiency - Waterproof qualities excelling in wet conditions - 95% biodegradable

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”

Choose the perfect tool for the job with Park's P-Handled Hex Wrenches. These top-shelf Allen wrenches come with offset handles made from durable nylon in a comfortable, ergonomic design. They are made of chrome vanadium for exceptional durability. The long shafts feature Bondhus heads for accessing hard-to-reach bolts and the short ends are chamfered for extra grip and high-torque applications.

- Double-ended socket wrench with reversible ratchet mechanism - Long handle with soft non-slip rubber grip - 14 and 15mm sockets

Planet Bike's PB Cage holds your bottle securely with sturdy 6.2mm-diameter 6061-aluminum tubing and comes in a variety of colors so you can coordinate your bike down to the last detail.

The Genuine Innovations 20-Gram Threaded CO2 Cartridges can be used with all Genuine Innovations inflators that have a 3/8-inch-24 thread. The 20-gram size will fully inflate those high-volume mountain bike tires (29er, DH, etc.).

Planet Bike's Quick Stop Key Lock is a convenient theft deterrent for cyclists on the go. It features a 6-foot-long by 10mm-diameter self-coiling cable with a bike-finish-friendly plastic covering and a built-in lock with 2 keys.

Get the most out of each workout with CatEye's Strada Digital Heart Rate Sensor Kit. It works with the Strada Digital Wireless cycle computer to provide you with heart rate data as you ride, so you can track how hard each effort is and hone in your training. Attack each ride and celebrate your successes on the bike!

•Classic Bugle design •Clamp fits most handlebars

Utilizing the ultimate in cycling GPS technology, this is a must have device for serious riders. It has a large, 2.7-inch 240x400 high-resolution screen with the option of vertical or horizontal viewing. - Pairs with Bluetooth Smart or ANT+ enabled power meters, heart rate monitors and speed/cadence sensors, in addition to compatible electronic drivetrains - When paired with an iOS or Android handheld through the free Lezyne Ally V2 app, the device provides turn-by-turn navigation and phone notifications (incoming calls, texts and message app notifications) - Live tracking (Lezyne Track) can be activated in the app to let friends and family follow rides in real-time - Super accurate, advanced data recording system combines GPS plus Glonass satellites and has a barometer and accelerometer for added accuracy - Battery runtime of up to 48 hours - Durable, composite construction - Intuitive four button operation - Micro USB rechargeable

Buzzy's Slick Honey has a superior ability to reduce sliding friction, making it ideal for lubricating o-rings, seals, bushings, and any other sliding or pivoting parts. Try it on your bike and you'll see why major suspension fork manufacturers like Rock Shox, Fox Racing and White Brothers use Slick Honey in their service departments.

- Specially formulated to remove heavy chain grime quickly and safely - Leave the chain contaminant free - Chain cleaner spray uses advanced solvents to cut through dirt and grease quickly and effectively

Skratch Labs’ Exercise Hydration Mix has everything you need and nothing you don’t. To replenish the sodium lost in sweat and keep you hydrated, Skratch uses sodium citrate—an easy-on-the-stomach, high-quality salt. The mix has just the right blend of carbohydrates and salt to keep your fluids in balance and minimize the time it takes your body to hydrate. By quickly replacing the lost salt, you keep your nervous system signaling properly and your muscles firing in sync to produce power with optimal efficiency. Plus, Skratch uses only real fruit and natural ingredients to create a delicious yet mild flavor.

Easy access to your essentials like ride food, sunscreen, or your smart phone/camera can make or break a ride. Blackburn has redesigned their Outpost Top Tube Bag to fit more bikes, better. Now featuring longer, removable straps and optional 63mm-spaced, M5 bolt holes, the Outpost TT Bag will fit any bike for any ride. - Spacious interior with adjustable organizer - Exterior mesh pocket for phone or camera - Zippered I.D. and cash pocket - Top tube straps adjust to mount quickly on almost any bike - 70D Nylon, 4mm ripstop with water resistant treatment and backing

- The original synthetic chain lube formulated specifically for mountain bikes. - New formula lasts even longer and is dye-free. - Superior wear protection, efficiency and durability for extreme conditions/mileage. - Unique detergents break down and isolate dirt protecting the surfaces of your chain. This is the product that started it all back in 1989. This breakthrough lubricant revolutionized the entire chain lube market. This full synthetic lubricant is designed to handle the harshest conditions and outlast other lubes in all conditions. Syn Lube is formulated with extreme pressure additives, corrosion inhibitors, and tackifiers to provide incredible wear protection, lubrication, and staying power in extreme wet and muddy conditions. Unique polymer detergents also work to break down dirt protecting the surfaces of your chain. Go ahead, play in the mud.

- Constructed using a 6mm aluminum rod - Embossed MSW logo

Consistency in training leads to better results, which is why using a consistently accurate and reliable power meter is vital. Quarq's Active Temperature Compensation, which is calibrated with over 10,000 data points, makes their ELSA R accurate to within 1.5%. Carbon crankarms deliver the power to the road and keep the Riken light on the climbs. ANT+ technology lets you hook up your desired compatible head unit (sold separately), the LED indicator flashes when the power meter is on, and the single, easily replaced CR2032 battery lasts for up to 300 hours of ride time. - Compatible with 10/11-speed SRAM, Shimano (10-speed only) Rotor, FSA, Praxis, WickWerks, and other chainrings - Chainrings and bottom bracket are sold separately - 110 BCD

CatEye's Velo 9 features a large easy-to-read display and one large button for changing modes, making this sleek, wired computer easy to use. On top of all the standard functions the Velo 9 also has a calorie counter to help you track your energy expenditure and a carbon offset calculator to monitor your good will towards the environment. You'll also love CatEye's tool-free Flex-Tight mount for easy installation and removal.

The Sport is basically a modified Dave-O shape, made of nylon-reinforced plastic. Sports are as tough as nails and hold bottles well in all conditions and any application. They have two sets of mounting holes to allow the best fit possible. We consider this cage as good as anything we make, it's just made out of different stuff. - Weight: 47 grams

OnGuard's Bulldog DT pairs a tough-as-nails U-lock with a sturdy steel cable for increased security. The 13mm hardened steel shackle resists cutting, and OnGuard's stout X2 double-bolt lock mechanism is pick, drill, bump, and pull-resistant. The 9" shackle, combined with 4' braided steel cable lets you lock bike to a standard parking meter post without removing your front wheel, making lock-up faster, easier, and more secure. This great U-lock also comes with five keys, including OnGuard's Microlight key which has a built-in light. - All OnGuard locks feature integrated covers for protection from moisture and dirt. - OnGuard locks feature plastic, rubber, or vinyl at all contact points to protect your bike's finish. - Shackle Dimensions: 115mm x 230mm (W x H x Dia) (4.5" x 9") x 13mm (0.51") D - Cable Dimensions: 120cm x 10mm (4' x 0.39")

Timeless designs with a loud, clear tone, undoubtedly some of the finest bells available. - Mounts with steel strap and features lever strike operation - CD3171 and 3172 have matching domes and strikers - Fits bars 22.2mm to 31.8mm - Made in Japan

Meet the new fail-safe for your tailgate, featuring padded protection for your most prized possession. With durable PVC tarpaulin and a micro-brushed inner lining, the FOX Overland pad is designed to keep your truck and bikes clean and secure. - Raised bumpers (reinforced with high-density foam) keep down tubes secured in place to minimize frame contact - Each pad comes with two strap extenders for eMTBs - Fully adjustable rear opening to maintain function of your backup camera and keep your tailgate handle accessible at all times - Durable PVC tarpaulin on the outside and a micro-brushed inner lining ensure your tailgate is protected from cosmetic damage - Every size of Overland features cinch straps to adjust the exact height and width of your truck’s tailgate

Park's professional-quality, precision-sized spoke wrenches are hardened and chrome plated for long service. Wrenches are vinyl coated in one of four colors indicating the size at a glance. You will find these wrenches in virtually every professional bike shop and every shop mechanic's personal tool stash. Make sure you have the sizes you need in your home toolbox and bike bag.

Bike Protect is the ultimate liquid bicycle protection. Preserve and freshen your bike with Bike Protect’s incredible water dispersing action! It’s a perfect ‘all over’, after-wash corrosion inhibitor due to its extremely high oil content. This increased oil content creates the finest bike protection spray on the market. It drives out moisture and leaves a sparkling, non-sticky protective layer on your frame, drive chain, metal parts and paintwork. It’s ideal to spray onto your chain to drive out moisture before you apply any of the brilliant Muc-Off chain lubes. Bike Protect doesn’t just disperse water after you’ve given your bike a good clean. It also prevents dirt adhesion between washes and reduces future maintenance time as well as helping reduce friction, wear and energy consumption. - High performance formula leaves dry, non-sticky protective film - Safe on frame, metal parts, plastics, rubber, paint and carbon fiber - Drives out excess moisture - Prevents dirt adhesion - Light lubricant coats moving parts - Quick and easy to use - 500ml Aerosol Spray - Ideal for Road Cycling, Cyclocross, MTB & Fat Bikes - Provides the ultimate performance in freezing conditions - For chains, cables, shifters, derailleurs, pedals & cleats - Incredible durability - Pipette system for easy application

What's your seatpost size again? Park's Digital Caliper accurately measures seatposts, head tubes, bearings, spoke diameters, etc. It's a precision instrument built accurate to 0.01mm with a stainless-steel mechanisms and a rugged composite body. The tool’s ability to measure in metric, decimal inch, and fractional inch makes it an indispensable home workshop tool. It features an automatic shut-off and comes with a protective sleeve and the battery.

MSW Windstream Inflator Head is a push on inflation system. Compatible with all 3/8" threaded compressed gas cartridges. Works with Presta and Schrader. - Compact design for easy storage - Alloy construction for durability and lightweight - Press on for both Schrader and Presta valves - Compatible with all 3/8" threaded compressed air cartridges

24-pack & Single Serving Created for demanding training and competition, GU Roctane Energy Gel stands out from original GU Energy Gel with more sodium, an electrolyte that aids in hydration, and even more branched-chain amino acids (leucine, valine, and isoleucine) that reduce mental fatigue and decrease muscle damage than our original GU Energy Gel. The amino acid taurine helps maintain heart contractility and improve cardiac output during long exercise sessions, while the amino acid beta-alanine helps promote formation of the intramuscular buffer carnosine. The 100-calorie packets contain carbohydrates (maltodextrin and fructose) that use non-competing pathways to help maximize carbohydrate absorption and utilization while diminishing stomach distress. 15-serving Introducing GU's new 15-Serving GU Roctane Energy Gel pouches. They’ve "bulked up" their proven Roctane Energy Gels into a larger serving size to give you, their athletes, more ways to fuel during your extreme efforts or long-duration activities. Loose trash and sticky pockets are hard to avoid when you’re out on the trail or road for hours and hours. That’s why they partnered with Hydrapak to create a custom 5-serving flask and nozzle designed specifically for GU energy gels. Their Flask makes it easy to carry the fuel you need while reducing trail-litter along the way. Less-mess, less-litter, more Roctane Energy Gel! Roctane Energy Gel is vegan, gluten free, and kosher.

Sunlite's HD II Mirror offers a nice, wide and clear view of what's behind so that you can ride more safely. It quickly and easily attaches to virtually any handlebar configuration. It's light and fully adjustable.

Perform at your highest potential with GU Energy Gel. The 3:1 ratio of maltodextrin and fructose spares your limited glycogen stores with a combination of slow and fast-absorbing carbohydrates. The electrolytes sodium and potassium are just what your legs crave to stay firing properly. Branched-chain amino acids speed recovery and reduce muscle damage, and of course the delicious flavors go down easy.

Lezyne's convenient Twin speed Drive CO2 inflator is compact and lightweight. 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.

A lightweight aluminum adapter allows the use of a Schrader pump on Presta tubes.

NiteRider's Lumina Micro 250 comes in a tiny package but puts out a huge amount of light. It delivers up to 250 lumens, lasts up to 14 hours, and weighs in at only 130 grams! Plus, it installs quickly on your handlebars. You'll remain visible throughout your travels with one of four modes: high, medium, low, and energy-saving walk. An indicator light comes on when the battery is low so you know to recharge with a computer-friendly USB cord. And, should you throw it in a bag for later use, the Micro's lock-out mode ensures it won't accidentally turn on and waste battery life.

RockShox's Suspension Oil comes in different weights to match the most popular suspension fork and shock setups.

Lezyne's Flow Cage SL is made from a fiber reinforced Composite Matrix material for low weight, strength, and reliability. And, it loads from the side for added convenience — especially on compact frames or full suspension bikes! It is available in both left-side and right-side loading configurations.

Add a little flair and extra visibility to your ride. A Saddle Charm adds character to the tail of your whip! Made of our woven handlebar tape, a sturdy thread locking loop, and highly reflective 3M trim, our Saddle Charms can be attached to the rails of your saddle, the bag loops on a Brooks England saddle, or just about anywhere on your bike or bag for a pop of added safety and fun. They may even give you a bit of extra luck.

Service kits include dust seals, foam rings, oil seals, air and damper o-rings needed for basic service.

Modern mountain bikes' fancy suspension and lower standover height have put water bottle cage real estate at a premium, but Blackburn's Wayside Side Entry MTB Cage buys back some space! - Left or Right Handed - This 2 piece system can be installed so that the bottle is able to exit from either the right or left side. No extra hardware is required and the cage installs easily and quickly. - Bottle Retention - There is nothing worse than looking down at your bike and realizing that you have one less water bottle than you started with. Our cages are vigorously lab AND field tested at each stage of the development process to ensure that your water is safely held to the bike. Details: - Standard 65mm center-to-center hole spacing - Two mounting bolts included Dimensions: - Length 140mm/5.51in - Width 87mm/3.43in - Height 87mm/3.43 - Weight 45 Grams

Simple, clean design keeps everyone dry and is super easy to install on a wide variety of bikes. - Six-inch-long front and rear "shower curtain" courtesy flaps keep your feet dry and the mud out of the face of your fellow riders - Front fender stays are shaped to work around disc brake calipers - Safety breakaway hardware on front fender - Fit may vary depending on the tire/rim combination - Stainless steel mounting hardware, fender bridges, and fender stay clamps

Go the extra mile. Edge 25 captures essential ride stats, including time, distance, speed, total ascent and location. When paired with a heart rate strap (sold separately), it records your heart rate and heart rate zone so you’ll know when you hit your target (also providing more accurate information on calories burned during your ride). The bundle includes a crankarm-mounted cadence sensor. Edge 25 offers the necessary stats to take your ride to the next level. Small in size, yet packed with features such as smart notifications when paired with a smartphone. Choose from courses ridden by others or create your own on Garmin Connect, Garmin's free online community. Once you choose a course, upload it directly to Edge 25 and follow it to your destination. You can even compete against yourself! Via Bluetooth with your smartphone or a simple connection to a computer, you can upload your activities to Garmin Connect and see the path you traveled on a map, analyze it, share it and view details. Bluetooth also allows Live Tracking, so friends/family can follow your ride in real time. Invite followers using email or social media, which lets them view your live data on Garmin Connect. Compete against other cyclists on Garmin Connect segments and see your results post-ride on the leaderboard. Includes on-device alerts for segment start/finish points. Edge 25 lets you know how fast/far you’re riding. ANT+ sensors (sold separately) let you track indoor speed and distance. It also uses GPS/GLONASS satellites to track how far/fast and where you ride, even under dense tree cover. Unlike a phone, you can use Edge 25 for up to 8 hours without worrying about data or battery drainage. - Tracks time, distance and speed, and heart rate ((heart rate transmitter sold separately) - Plan, download and follow new rides - Save, plan and share your activities at Garmin Connect - Water-resistant, durable device - Connected features, for instant data upload and LiveTrack

Axiom's rugged, durable Mudrunner DLX Fenders let you enjoy the trails no matter the weather. The rear fender features a quick-release mount for tool-free installation on any seatpost and the front fender fits both rigid and suspension forks. Axiom's unique adjustable design ensures they'll fit almost all your rides and the reflective spine on the rear fender enhances safety and durability. Snap 'em on in seconds and go!

Park's Cone Wrenches are made of durable tool steel and are nice and thin to fit on the small-clearance cones found on hubs and other bearing assemblies. Plus, they work as regular wrenches, too. They feature Park's special Y heads that put more material where it's needed for excellent durability and strength. Most applications require at least 2 cone wrenches. If you have questions please contact us and we can recommend the correct sizes for your needs.

An important tool for setting up Eagle derailleurs on full suspension bikes.

FEATURES - Super Bright (50 Lumens) *Daytime Flash - Last Mode Memory - Auto Safe Mode - USB Remote Switch Compatible - USB Rechargeable - Up to 19.5 hrs Runtime - Aero Bar Compatible Bracket SPECS - Solid Modes: High (25 Lumens): 1.5 hrs, Medium (15 Lumens): 2.25 hrs, Low (10 Lumens): 5.5 hrs - Flash Modes: *Daytime Flash (50 Lumens): 19.5 hrs, High Flash Slow (25 Lumens): 9.5 hrs, High Flash Fast (25 Lumens): 5 hrs, Low Flash (10 Lumens): 13 hrs, Auto Safe Mode Extends Runtime an Additional 45mins - Weight: 40 Grams with Bracket - Battery: 500 mAh Lithium Polymer

Compact cycling light with a machined aluminum body. A bright, single LED system provides up to 400 lumens and a Daytime Flash mode. Battery runtime has increased by 2.5 hours for up to 20 hours of runtime. It features eight output modes and cutouts for side visibility. Charging is simple with an integrated cable-free USB stick. It securely straps to a variety of handle bar shapes and sizes. Specs - Max Lumens: 400 - Weight: 83g - Max Runtime: 20 hours - Recharge Time: 2:30

Wheels Manufacturing Sealed Bearing Extractor - 30mm Fits: - 6806 - Other bearings with an inside diameter of 30mm

- Rigid 6061-aluminum body prevents rust - Easy mounting to any flat surface - Sleeve removes to allow for use with 15mm or 20mm thru axle models

- Blackburn's most affordable Local rear light is powered by a single super bright LED. - Built to ANSI FL-1 light standard - 10 lumens - 2 modes: High: 10 lumens, Steady Flash: 10 lumens - Runtime: High: 70 hrs, Steady Flash: 140 hrs - Silicone mount, 1 size fits all - Large red lens power button is easy to turn on/off while pedaling or wearing gloves - Replaceable AA batteries (Included)

The brightest of Blackburn's Local rear lights with an extruded aluminum shell for extra durability - Built to ANSI FL-1 light standard - 20 lumens - 3 modes: High: 20 lumens, Steady Flash: 20 lumens, Strobe: 20 lumens - Runtime: High: 40 hrs, Steady Flash: 70 hrs, strobe: 86 hrs - Silicone mount, 1 size fits all - Large translucent lens power button is easy to turn on/off while pedaling or wearing gloves - Replaceable AA batteries (Included)

Park's Hex Wrench Set includes P-handled 2, 2.5, 3, 4, 5, 6, 8 and 10mm Allen wrenches with offset handles made from durable nylon in a comfortable, ergonomic design. The wrenches are made of chrome vanadium for exceptional durability. The long shafts feature Bondhus heads for accessing hard-to-reach bolts and the short ends are chamfered for extra grip and high-torque applications. Plus, this set of super tools comes with a convenient wall mount.

Keep your favorite lights running with Serfas' Bat-1 Replacement battery. Thanks to its 3300mAh capacity, you'll have plenty of power for all your night activities.

Eliminate endurance barriers - Eliminates "heavy legs" - Prolongs endurance - Fights everyday fatigue BENEFITS: Anti-Fatigue Caps is truly a “there’s nothing else like it anywhere” supplement, one that greatly extends endurance by effectively neutralizing the fatigue-causing effects of ammonia build-up, often referred to as “the endurance athlete’s worst enemy.” Three well-known ammonia-scavenging compounds make up this unique formula, helping to prevent the dreaded “heavy” legs sensation and extend energy output. - Kosher Certification - Anti-Fatigue Caps is certified by Informed Choice and Informed Sport.

Garmin's fenix 3 does everything except prepare your morning brew, which you'll need a lot of if you plan on using this watch to its fullest extent. The fenix 3 is a rugged multi-sport GPS tool with features for serious training and outdoor navigation, yet it's stylish for everyday use so no one will know of your double life. Whether you're on the bike, trail running, or open water swimming, the fenix has enough metrics to satisfy any outdoor junky's data cravings. Plus, with advanced fitness metrics you'll stay on top of your game during work, recovery, and even sleep. • Stainless Steel EXO antenna with GPS + GLONASS support for fast fix and accuracy • 1.2-inch sunlight readable color Chroma display • Fitness training features include VO2 Max and Recovery Adviser (when used with a heart rate monitor) • Outdoor navigation features include 3-axis compass, altimeter and barometer, TracBack and Sight’n Go • Connect IQ compatibility for customized apps, widgets, watch faces and data fields • Water rated to 100 meters

Carry your gear behind you tucked out of the wind with XLAB's Super Wing Dual Rear Carrier. This versatile aero add-on delivers options galore. You can easily attach what you need for any length ride. A small seat bag fits inside the carrier, bottle cages attach on the outside and tubes can go underneath (accessories sold separately). The possibilities are endless. You also have 12 different mounting options so you can place your bottles where you want them. Also, the Super Wing is made of light, tough aluminum so there's no twisting under load, no swaying while riding and no bouncing or lost bottles over bumps.

The Stealth Pocket 300 mounts directly to your top tube on the bolt bosses found on some bike models. It has a 72-degree front that fits tight up against the stem to eliminate turbulent air pockets. The bag reduces drag caused by the stem and headset spacers (note: measure stem height to height of bag). The silver-colored interior makes it easy to see what’s inside quickly so you can turn your focus back to the road ahead. It features a specially designed insert to maintain the aero form of the bag to help you go that much faster!