Adults

The classic half shell open-face helmet and therefore ideal companion for trail & XC tours. The Trail XC provides all-round protection with Inmould technology in which the helmet is directly connected with the absorbing EPS material. The high number of ventilation openings, as well as the placement angles and integrated channels, provide lots of air circulation and a great cooling system. The adjustment unit with precision interlocking, ErgoFit Ultra creates a comfortable and precise fit both vertically and horizontally, guaranteeing a good fit and a high degree of wearing comfort. The visor is removable and the lining is washable. - Inmould technology, external and internal ventilation channels - Removable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360=deg; Inmould shell - Adjustable straps - EN1078, CPSC, KC Sizing: - X-Small = 49 – 54cm - Small/Medium = 54 – 58cm - Medium/Large = 58 – 62cm - X-Large Wide = 58 – 62cm

The ideal companion on all-mountain and trail rides, the Trail Evo provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and a continuous cooling system. Precision interlocking "ErgoFit Ultra" allows you to adjust the fitting ring both vertically and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the "QuickRelease" visor system, the visor can quickly detach in the event of a crash, preventing further damage or breakage both to the rider and visor. - Inmould technology, external and internal ventilation channels - Adjustable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - EN1078, CPSC, KC Sizing: - X-Small = 49 – 54cm - Small/Medium = 54 – 58cm - Medium/Large = 58 – 62cm

The ideal companion on all-mountain and trail rides, the Trail Evo provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and a continuous cooling system. Precision interlocking "ErgoFit Ultra" allows you to adjust the fitting ring both vertically and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the "QuickRelease" visor system, the visor can quickly detach in the event of a crash, preventing further damage or breakage both to the rider and visor. - Inmould technology, external and internal ventilation channels - Adjustable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - EN1078, CPSC, KC

The ideal companion on all-mountain and trail rides, the Trail Evo provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and a continuous cooling system. Precision interlocking "ErgoFit Ultra" allows you to adjust the fitting ring both vertically and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the "QuickRelease" visor system, the visor can quickly detach in the event of a crash, preventing further damage or breakage both to the rider and visor. - MIPS Brain Protection System - Inmould technology, external and internal ventilation channels - Adjustable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - EN1078, CPSC, KC

The ideal companion on all-mountain and trail rides, the Trail Evo provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and a continuous cooling system. Precision interlocking "ErgoFit Ultra" allows you to adjust the fitting ring both vertically and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the "QuickRelease" visor system, the visor can quickly detach in the event of a crash, preventing further damage or breakage both to the rider and visor. - MIPS Brain Protection System - Inmould technology, external and internal ventilation channels - Adjustable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - EN1078, CPSC, KC

All-Mountain and Trail helmet. The high-end in-mold construction and its large and integrated venting system provide highest safety level and best comfort. The 3-level visor adjustment accommodates goggles and preferred positioning, and its magnetic closure system provides easy handling. Trigger AM Fulfills European and US safety standards. - Double In-mold Shell Technology - External And Internal Ventilation Channels - Goggle Compatible Adjustable Visor - Precision Interlocking - Ergofit Ultra System For Horizontal And Vertical Adjustment - Magnetic Closure - En1078, CPSC, KC - +/- 350g Sizing - Small/Medium = 54 – 58cm - Medium/Large = 58 – 62cm

The XACT full face helmet is designed for racers and bike park enthusiasts riding rugged terrain. The integrated Vortex ventilation channels guarantee continuous air circulation and the the specific shape of the helmet adds strength and durability. The ergonomic padding system provides a high degree of comfort. Ergonomically shaped cheek pads enhance comfort without compromising fit, and integration of the EPR (Emergency Padding Release) system provides the option to quickly remove the cheeks pads in the event of a rescue emergency. The XACT helmet series fulfills the European safety standard, EN1078 as well as the American CPSC and AS for DH. - ABS helmet shell for impact absorption in the event of a crash - Vortex ventilation system with integrated air channels - EPR emergency padding release - Adjustable visor - Washable padding - Double-D safety closing - EN1078, CPSC, AS, KC Sizing - X-Small = 49 – 52cm - Small/Medium = 53 – 56cm - Medium/Large = 57 – 59cm - Large/X-Large = 60 – 62cm

One of the lightest (+/- 595g) all-mountain, trail and enduro full face helmets designed for all day comfort regardless of your riding discipline. The Trigger helmet provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. Additionally, the Trigger FF is the only helmet on the market with the unique and patented technology of one complete and seamless EPS liner unit, with inclusion of the face guard structure. As a result, the rider benefits from increased structural strength, reduced weight & volume, and increased ventilation. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and supply a continuous cooling system. Precision interlocking ErgoFit Ultra allows you to adjust the fitting ring both for verticle tilt and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the 2-level visor adjustment capability, there is sufficient space to rest your google along the forehead yet below the visor. Lastly, the Fidlock magnetic buckle makes for a quick, efficient closure and release without compromising security. This helmet series fulfils the European safety standard, EN1078 as well as the American CPSC and AS for DH on frontal impact. - MIPS brain protection system - Patented all-in-one Inmould technology, external and internal ventilation channels - Adjustable, goggle compatible visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - Magnetic closure - +/- 595g (SM) - EN1078, CPSC, KC, AS - Sizes: XS = 49-54cm, SM = 54-58cm, ML = 58-62cm head circumference

Extremely lightweight (+/- 600g) All-Mountain, Trail and Enduro all purpose/all day full face helmet. The Trigger helmet provides all round protection with patented inmould technology in which the helmet shell is directly connected with the absorbing EPS material. The unique and patented technology connects the face guard in one piece with the head EPS liner and therefore combines the whole in one resulting in an increase of its structural strength with the advantage of a reduction of weight & volume but an increase in ventilation. The high number of ventilation openings, as well as the placement angles and integrated channels provide lots of air circulation and the best cooling. The two-components adjustment unit with precision interlocking, "ErgoFit Ultra" creates a comfortable and extremely exact fit vertically and horizontally, guaranteeing a good fit and a high degree of wearing comfort. The 2-level visor adjustment allow to rest goggle and adjust visor to preferred position and its magnetic closure system provides an easy handling. This helmet series fulfils the European safety standard, EN1078 as well as the American CPSC and AS for DH on frontal impact. - Patented whole-in-one Inmould technology, external and internal ventilation channels - Goggle compatible adjustable visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable jaws/straps - Magnetic closure - +/- 600g (SM), 660g (ML) - EN1078, CPSC, KC, AS - Material composition: 20% Polycarbonate, 45% EPS, 0.5% Aluminium, 20% Nylon, 2% POM, 7.5% PP, 5% Polyester Sizing - Small/Medium = 54 – 58cm - Medium/Large = 58 – 62cm

One of the lightest (+/- 595g) all-mountain, trail and enduro full face helmets designed for all day comfort regardless of your riding discipline. The Trigger helmet provides all-round protection with patented inmould technology due to direct fusion of the helmet shell to the internal EPS material. Additionally, the Trigger FF is the only helmet on the market with the unique and patented technology of one complete and seamless EPS liner unit, with inclusion of the face guard structure. As a result, the rider benefits from increased structural strength, reduced weight & volume, and increased ventilation. The numerous ventilation openings have been strategically angled and positioned to offer superior air circulation and supply a continuous cooling system. Precision interlocking ErgoFit Ultra allows you to adjust the fitting ring both for verticle tilt and circumference-wise, guaranteeing a precise and comfortable fit for any head. With the 2-level visor adjustment capability, there is sufficient space to rest your google along the forehead yet below the visor. Lastly, the Fidlock magnetic buckle makes for a quick, efficient closure and release without compromising security. This helmet series fulfils the European safety standard, EN1078 as well as the American CPSC and AS for DH on frontal impact. - MIPS brain protection system - Patented all-in-one Inmould technology, external and internal ventilation channels - Adjustable, goggle compatible visor - Dial adjuster with precision interlocking - ErgoFit Ultra system for horizontal and vertical adjustment - Double-Inmould, 360° Inmould shell - Adjustable straps - Magnetic closure - +/- 595g (SM) - EN1078, CPSC, KC, AS - Sizes: XS = 49-54cm, SM = 54-58cm, ML = 58-62cm head circumference

The Xult DH full-face helmet is designed for racers and bike park enthusiasts riding rough and demanding terrain. Due to integrated Vortex ventilation channels, this helmet proves to be extremely breathable because of the continuous air circulation. The FRP (fibre reinforced polymer) shell requires less material, decreasing weight and volume yet without compromising durability. Risk of brain injury from the effects of rotational forces is thus dramatically reduced because of the lightweight shell as well as the integration of Xmatter/Xrail technology which absorbs impact and promotes multi-directional movement. The Xult full-face also comes equipped with an ergonomic padding system, with specially designed cheek padding, guaranteeing a high degree of riding comfort and a secure and comfortable fit. - FRP reinforced helmet shell - Vortex ventilation system with integrated air channels - Xmatter/Xrail impact absorption liner - adjustable visor - Washable padding - Double-D safety closure - EN1078, CPSC, AS

Fit, Protection, Style After years of research and development, the Troy Lee Designs Team is proud to introduce our latest creation - the A1 helmet. Here at TLD, styling, graphics, fit, function, and safety are key in everything we create. This lightweight, fully encapsulated all-mountain helmet utilizes maximum coverage and dimension to keep you safe and protected in all riding conditions. Whether you're charging single track, riding dirt jumps, or grinding out miles on the XC bike, the A1 helmet offers the premium fit, protection, and style you want. - Reinforced polycarbonate shell in-molded with EPS liner extends down the sides and back of the head for maximum protection and durability - MIPS brain protection system reduces rotational forces to the brain - 8 pressurized intake passages draw in cool air for maximum ventilation - 8 rear vacuum vortex outlets help exhaust helmet and draw heat from head - Triple position adjustable retention system allows customized fit for various eyewear, head shape, and riding styles - Single piece, ultra plush, removable, and washable comfort liner made of anti-microbial moisture wicking material for a dry, comfortable feel - Adjustable, moto-inspired visor with anodized aluminum hardware - Race-inspired styling - CPSC 1203, CE EN 107B, AS/NZS 2063 certified - 5-Star Rated by VA Tech Testing Institute Bicycle Helmet Testing lab

Cooler, Faster in a Protective Package The trailblazing A2 is Troy Lee Designs' MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, but it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS system and an industry-first dual-density EPP + EPS liner that protects against both high- and low-speed impacts; this is a helmet that doesn't take your safety lightly. Add in an adjustable strap and X-Static Pure Silver comfort liner, and the comfort is every bit on par with the protection. Specifications - Huge air intakes - 25% larger than A1 - connected to massive exhaust ports through deep internal channels provide powerful cooling efficiency - MIPS brain protection system reduces rotational forces to the brain in some crash scenarios - Dual-density EPS co-molded with EPP for state-of-the-art impact energy management at low- and high-crash speeds, as well as everything in between - Rear stabilizer fit system with flexible, slimline arms has 3-position front and rear locations for a custom fit - Adjustable strap dividers for a perfect fit every time - 350 grams (size M/L) - CPSC 1203, CE EN 1078, AS NZ 2063:2008

A3 Helmet w/MIPS So comfortable you won't ever want to take it off. The A3 mountain bike helmet is a new standard in premium mountain bike helmets with luxurious comfort, patent-pending innovations in safety, ventilation that will you keep you cool on the longest climbs with comfort and coverage to protect on the sketchiest of descents. Highest possible score (5-STAR) from Virginia Tech helmet safety lab so you can feel confident in all conditions. Specifications - Co-molded EPP and EPS for low and high-speed Patent Pending impact energy management. - B-Series MIPS Rotational Brain Protection system creates an optimal 360 degree fit that can maximize the safety features built into the A3. - Advanced layering 3-piece shell - 3-Way Magnajust visor easily accommodates goggles whether they are stowed on the upswing or on your face. - TLD Sweat Glide System – EVA wicking foam behind the comfort liner along the front brow directs sweat away from the eyes and optics. Includes 2 spares. - 2-piece Ionic comfort liner for anti-microbial & sweat wicking properties that is also quick to dry - 16 vents optimally tuned with the channeling of the helmet to create the most intake and exhaust of any half shell helmet we've produced - Premium 3D Fidlock magnetic buckle system and composite smart shear screws are made to shear away during severe impact/direct hit to visor. - Includes helmet carrying bag, (2) spare sweat glide strips and a spare Ionic comfort liner and sticker kit - Certification - CPSC 1203, CE EN 1078, AS NZ 2063:2008.

TLD's D3 Fiberlite helmet offers many of the racing-derived features found on the top-shelf D3 Carbon and D3 Composite siblings. D3 Fiberlite uses a lightweight, fiberglass shell with wind tunnel proven aerodynamics and an efficient ventilation system to keep you cool - there are 20 high-flow intake and exhaust ports to keep airflow moving. With 3D cheek pads, the D3 Fiberlite has a comfortable, secure fit. Quick-release cheek pads allow for helmet removal in the event of an emergency. Thanks to the D3 Fiberlite, the most decorated helmet in professional racing is now available for riders who crave factory performance. This helmet exceeds bicycle certifications: ASTM F1952-15, ASTM F2032-15 and is not intended for use with motorized vehicles. - 20 high-flow intake and exhaust ports for maximum ventilation - Added EPS and new head-form shape for improved impact performance - Exceeds bicycle certifications: ASTM F1952-15, ASTM F2032-15 - Not intended for use with motorized vehicles

The Stage Helmet: Less Weight, More Fun. Since its debut, the Stage helmet redefined mountain bike safety, style, comfort, and ventilation. The lightest full-face helmet in its class combines MIPS (Multi-directional Impact Protection System), EPP (for slow speed impacts), and EPS (for high-speed impacts) in one sleek package that sets the standard for mountain bike enduro helmets. A Polylite shell w/fiber reinforcement and Polyacrilite-injected chin bar w/EXOskeleton adds strength without sacrificing weight. 11 high-flow air intakes and 14 exhaust ports and large ventilation chin bar openings aid in cooling and comfort in all conditions. The TLD Stage Helmet also includes an X-Static helmet liner that is moisture-wicking, quick-drying, and odor-fighting. A Fidlock buckle and lightweight hardware round out this revolutionary helmet. - Polylite Shell construction with fiber reinforcement - Dual-density EPS and EPP foam offers protection against high and low-speed impacts - Featuring MIPS Brain Protection System - a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head - Large ventilation chin bar opening and 11 high-flow intake ports and 14 exhaust vents - Contoured 3D XT2 cheek pads and washable X-Static liner create an optimized fit - Helmet includes 2-liners, 3-sets of cheekpads and 2-neck rolls for a custom fit - Innovative break-away visor screws - Fidlock magnetic buckle system - Drawstring bag with breathable mesh paneling - CPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX *Varies by regional standards

TLD's Stage helmet: less weight, more fun! Since its debut, the Stage helmet has redefined mountain bike safety, style, comfort and ventilation. Stage is the lightest full-face helmet in its class, and combines MIPS (Multi-directional Impact Protection System), EPP (for slow speed impacts) and EPS (for high-speed impacts) in one sleek package, that sets the standard for mountain bike enduro helmets. A Polylite shell w/fiber reinforcement and Polyacrilite injected chin bar w/EXOskeleton adds strength without sacrificing weight. 11 high-flow air intakes and 14 exhaust ports and large ventilation chin bar openings aid in cooling and comfort in all conditions. The TLD Stage Helmet also includes an X-Static® helmet liner that is moisture-wicking, quick-drying and odor-fighting. A Fidlock® buckle and lightweight hardware round out the overall package. - DUAL DENSITY EPS co-molded with EPP combine to safely manage high and low-speed impact energy (PATENT PENDING) - MIPS brain protection system reduces rotational forces to the brain in certain crash scenarios - EPP lined chinbar for multi impact performance - Drawstring bag with breathable mesh paneling and additional anodized hardware, liners and pads - Meets Certification for CPSC 1203, CE EN1078, ASTM F1952, ASTM F2032, and AS/NZS 2063 - 690 grams (1.5 lbs) size M/L - 3 Year Warranty **Not rated for motorized use**

Safety & Style. Protection With Panache. - Built-in rear safety light - In-mold construction - CPSC certified - Easily adjustable straps - Removable visor - Easy-to-adjust fit system - Integrated bug net - Vent count: 12 - Weight: 300 grams - Sizes: S/M 54-58cm, L/XL 58-62cm

The Serfas Metro features clean modern style with large cooling vents, forward-facing sun visor, Posi-Fit adjustment dial, and integrated rear-facing LED safety light paired with high-visibility reflective silver accents. - Built-In Rear Safety Light - In-Mold Construction - CPSC Certified (Consumer Product Safety Commission) - Easy Adjustable Straps - Removable Visor - Posi-Fit Dial Adjustment System - Integrated Bug Net: - Weight: 300 Grams - Vent count: 12 - Sizes: S/M 54-58cm, L/XL 58-62cm

The Serfas Incline Enduro is designed with lots of ventilation (18 vents) to help keep air flowing and make sure you stay nice and cool. In-mold construction provides strong impact protection while adjustable straps and rear easy-to-adjust fit system knob makes sure your helmet stays properly snug. - Enduro Fit - In-Mold Construction - Adjustable Straps - Removable Visor - Easy-To-Adjust Fit System (Rear Knob) - Integrated Bug Net - Vent Count: 18

The Serfas Kilowatt is E-Bike certified and features adjustable venting which be can be opened or closed depending on how much air flow you want, also a built-in rear LED safety light for added visibility with additional reflective design accents, and an easy-to-adjust fit system. - Tested and Certified to NTA 8776 E-Bike Helmet Standards - Adjustable Top Vents (Slide Open/Close) - Built-In Rear Light - Rear-Facing Reflective Accents - Adjustable Straps - Easy-To-Adjust Fit System (Rear Knob) - Weight: 484 Grams - Vent Count: 8 - Sizes: S/M (54-58cm), L/XL (58-61cm)

- COB LED Technology: it's a more compact footprint while delivering a higher intensity of light, meaning you'll be seen from further away and gives the lights a more uniform look - The helmet will be equipped with 98 COB LEDs in total - Front Light (30 COB LED diodes) - Rear Lights with Turn Signals (34 red COB LED diodes, 34 orange COB LED diodes) - 1100mAh rechargeable battery providing up to 10 hours with the lights set on maximum brightness - USB-C Charging Connection (Chargeable with a 5V—5.2V & 0.5A charger) - Remote included for turn Signal - Option to buy a Lumos Remote to activate Automated Brake Lights. (The Remote Lite included with Ultra doesn't come with an accelerometer and can only be used to activate turn signals) - Lumos Companion App: Customize your light flashing patterns, check your battery life, track your activity, and sync with Strava and Apple Health - Maximum Venting - MIPS technology Sizing: - Small: 51 – 55cm / 20 – 21.6" - Medium/Large: 54 – 61cm / 21.3 – 24" - X-Large: 61 – 65cm / 24 – 25.6"

The Fixture's confident mountain bike style and breezy ventilation combine in a compact design that complements nearly any ride -- especially when there's dirt under the tread. Some of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Fixture's styling and color options will keep you feeling good mile after mile. - 54 – 61cm / 21.25 – 24 in.

Giro created the Fixture for riders in search of the renowned Giro fit and in need of an extra-large size. Inspired by the confident mountain style and breezy ventilation of the Fixture helmet, the Fixture is built around many of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system. - X-Large: 61 – 65cm / 24 – 25.55 in.

Giro created the Bronte for riders in search of the renowned Giro fit and in need of an extra-large size. Inspired by the sleek style and cooling ventilation of the Register helmet, the Bronte MIPS is at home on pavement or the trail. In-Mold construction is used to make it light without compromising durability, and the acclaimed, adjustable Roc Loc Sport MIPS system makes it easy to custom-tune the fit for comfort and stability. - 61 – 65cm / 24 – 25.55 in.

Sometimes the simplest designs also are the smartest. The Isode is an easy fit for riders who want a classic cycling helmet that doesn't compromise comfort or performance. It includes features found in Giro's premium helmets, like In-Mold construction to keep the weight low, and the easy one-handed adjustments of their acclaimed Roc Loc Sport system for a quick, sure fit no matter where or how far you ride. - 54 – 61cm / 21.25 – 24 in.

The Register helmet combines sleek design and lightweight construction with features that complement your style on the road or trail. Made with In-Mold Construction technology in a comfortable Universal Fit size, and equipped with Giro's convenient Roc Loc Sport system, the Register adjusts with a simple turn of the dial so you can customize the fit in seconds. A range of colors from mild to wild lets you choose exactly how your on-bike style comes together to create a helmet that looks and feels like it was made for you. - 54 – 61cm / 21.25 – 24 in.

The Vasona helmet combines sleek, airy design with smart features and lightweight construction to match your style on the road or trail. Made in a comfortable, Universal Fit women's size with Giro's adjustable Roc Loc Sport fit system, the Vasona's fit can be custom-tuned with a simple turn of the dial to make fitting fast and hassle-free. And with a range of colors to suit almost any style, you can choose exactly how your on-bike style comes together. - 50 – 57cm / 19.75 – 22.5 in.

The Quarter is one of the lowest-profile helmets we've ever made, and it's also the lightest we've made with an ABS shell. The essentials are here—an EPS liner for impact management, a tough outer shell, riveted webbing anchors, and plush, sweat absorbent pads that are easy to swap for dialing in the fit. Another standout feature—the polyurethane coating—helps to protect the EPS liner from daily wear and tear. Plus it's available in a bunch of great colors and three Super Fit sizes.

Sometimes the smartest designs also are the simplest. The Isode MIPS is an easy fit for riders who want classic style with the latest features, yet don’t want to spend a fortune or compromise comfort. The Isode includes several features found in Giro's premium helmets, like In-Mold construction to keep the weight low and the easy one-handed adjustments of their acclaimed Roc Loc Sport MIPS system, for a sure fit at the turn of a dial. It’s the perfect companion for your riding, no matter how fast or how far you ride. The Isode MIPS helmet includes several features found in our premium helmets, like In-Mold construction to keep the weight low and the easy one-handed adjustments of our acclaimed Roc Loc Sport MIPS system, for a sure fit at the turn of a dial. It's the perfect companion for your riding, no matter how fast or how far you ride.