All-purpose, value-packed helmet balances performance and comfort. Value-packed protection Wear it and believe it. The Solstice is proof you don't have to spend a lot of money to get a great fitting, easy-to-use cycling helmet designed to keep you protected during all your bike riding adventures. Product details - Designed for larger vents and increased airflow while maintaining structural integrity - Built-in and removable visor options give you two choices for constant coverage - Intuitive, one-handed Headmaster fit system adjusts height and circumference - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides free helmet replacement if it is involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Standard buckle - Includes: Visor plugs - Weight: 290g (Small/Medium)

The Proframe helmet is the lightest and most breathable full face helmet Fox has ever created. Designed to perform at the highest levels for the aggressive all mountain rider and enduro racer, it packs DH certified protection into a superlight shell via Fox's patent-pending, fully-integrated Chinbar. With 24 Big Bore vents, the Proframe offers open face level airflow and breathability to keep you cool on even the longest and most challenging climbs; and once you reach the top, it gives you the confidence to ride to your limits on even the toughest of descents. Features: - Ultra-lightweight enduro and all mountain helmet - Patent pending integrated chinbar - Highly breathable, moisture wicking and anti-microbial liner - 24 Big Bore vents for unrivaled breathability - Fixed visor is positioned perfectly for maximum air flow - Fidlock SNAP helmet buckle provides quick entry and exit - MIPS™ impact protection system reduces rotational forces in a crash - Dual density Varizorb EPS liner provides improved protection - Our lightest DH certified helmet: 750g. (size medium) Certifications: - ASTM F1952 (including chin bar rigidity test) - EN 1078 - AS/NZ 2063 - CPSC

Proven MIPS coverage for superior open-face performance The Speedframe MIPS Helmet has premium features usually meant for much more expensive helmets. A MIPS™ liner, goggle compatible 3-position visor, and our 360-degree fit make the Speedframe one of the best values in an open-face mountain bike helmets. Add in the legendary aggressive Fox design DNA, and you have one of the most shred-ready mtb helmets in the market today. - Proven MIPS™ impact protection system reduces rotational forces in a crash - Removable, washable moisture-wicking comfort liner - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle compatible 3-position adjustable visor - 360 fit system allows you to dial in your perfect fit every ride - Weight: 360 g, medium - CERTIFICATIONS - CPSC - EN 1078 - AS/NZS 2063

Proven MIPS Coverage for Superior Open-Face Performance The Speedframe MIPS Helmet has premium features usually meant for much more expensive helmets. A MIPS liner, goggle compatible 3-position visor, and our 360-degree fit make the Speedframe one of the best values in an open-face helmet. Add in the legendary aggressive Fox design DNA, and you have one of the most shred-ready trail helmets in the market today. Features - Proven MIPS impact protection system reduces rotational forces in a crash - Removable, washable moisture-wicking comfort liner - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle compatible, 3-position adjustable visor - 360 Fit System allows you to dial in your perfect fit every ride - Weight: 360g Sizing - Small = 51 – 55cm - Medium = 55 – 59cm - Large = 59 – 63cm Certifications - CPSC - EN 1078 - AS/NZS 2063

The Chakra Solo builds on the bestselling Chakra line of helmets. Featuring Composite Fusion and an integrated liner for those fast turns you just earned. - Technology: Composite Fusion - Features: Break-away Visor, Anti-Microbial Pads, Locking Buckle and Slider - Material: PC Shell, EPS Foam - Vents: 21 - Weight: 292g / 10.3oz - Certification: EN 1078, CPSC - Intended Use: Recreational, X-Country, Trail - Small/Medium = 52 – 57cm - Large/X-Large = 58 – 61cm

The Macator is a sporty entry-level helmet for cyclists looking for an outstanding all-around helmet. The Macator not only has comfortable padding but also offers excellent ventilation. - In-Mold: Lightweight, durable helmet with a long-lasting combination of EPS core and Polycarbonate shell - Bug mesh: Full protection from insects - Ponytail compatibility: Perfect fit for people with long hair - Full-ring: Adjustable ring connected to adjustment system enclosing all of the head - Excellent ventilation with 5 air inlets and 8 air outlets - Zoom Ace: Finely adjustable fit system with handy adjustment wheel for a customizable fit Sizing: - Medium: 51-55cm - Large: 52-58cm - X-Large: 58-62cm

For trail or town Built for riders who live active lifestyles and want to stay protected, the Quantum cycling helmet looks just as good as it fits. Featuring MIPS, Multi-directional Impact Protection System, superior ventilation, and excellent coverage. Get it all and even more with a removable visor allowing Quantum to be your go-to helmet no matter what type of riding. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - Soft, comfortable, moisture-wicking, and washable helmet pads - Internal, recessed channels move airflow over your head to stay cool and dry - Removable snap-on visor and port covers provide multiple looks to fit your style - LockDown dividers make helmet strap management clean and are easy to adjust - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

All-purpose, value-packed helmet balances performance and comfort with the added protection of MIPS. All-purpose protection for every rider The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Product details - MIPS Brain Protection System - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Fidlock buckle - Includes: Visor plugs - Weight: 335g (Small/Medium)

OFF ROAD STYLE The new MTB helmet from Lazer! Top-end performance at a great price. The color-matched and fully integrated visor looks great and keeps sun out of the eyes and off the face. 15 vents keep the interior cool on those long single track climbs. The TS+ retention system with Adjustable Head Basket allows for a secure and easy-to-adjust helmet and delivers a perfect fit for every ride. The integrated low-friction MIPS layer adds additional protection against rotational impacts. - Increased protection - Visor - Turnfit Plus system - MIPS layer - Fit System: Turnfit Plus system - Construction: In-Mold - Ventilation: 15 vents - Weight: 305g (S) - Certification: CE-CPSC-AS

The Chiru MIPS lets you push your limits mountain biking without sacrifice. A low friction MIPS layer and deep coverage at the sides and rear of the helmet helps protect your head against unexpected knocks. The Chiru MIPS pairs extended coverage with a MIPS layer to give you excellent protection. Chiru MIPS has been awarded the Virginia Tech 5-Star "Best Available" protection rating. Stay comfortable on all-day epics: the Turnfit+ System retention system will keep your helmet secure while eliminating pressure points. A color-matched integrated visor will help prevent squinting, so you can keep shredding on the sunny days. Fifteen well-placed air vents promote airflow even on slow, technical climbs. The optional rechargeable rear TS+ LED light will come in handy when you ride until dark and still need to pedal home from the trails. Sizing: - Small = 52 – 56cm - Medium = 55 – 59cm - Large = 58 – 61cm

The Velocis is Bontrager's pro-level race helmet that combines safety, fit and comfort in an amazingly light package. The in-mold composite exoskeleton increases structural integrity and actually allows for more and bigger vents. Fit and comfort are one in the same, to that end, you've got the HeadMaster II fit system, which adjusts by height and circumference perfectly with one hand. The FormFit flexible brow band gives you a custom fit and improves ventilation along with recessed internal channels that manage airflow. The wicking fit pads are naturally antimicrobial and you're equipped with the ingenious detachable NeoVisor. - Small = 52-56cm - Medium = 54-60cm - Large = 58-63cm

An aerodynamic, high-performance road bike helmet with advanced WaveCel technology. A major advancement in the protection against cycling-related head injuries. Bontrager XXX WaveCel LTD delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams, and this LTD version is available in a run of limited edition colorways. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details: - WaveCel advanced helmet technology - BOA Fit System lets you easily secure and adjust helmet fit with just one hand - Easy-to-use adjustable strap dividers allow for a fine-tune fit - An aerodynamic shape helps you outsmart the wind and ride faster - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

Bontrager XXX WaveCel delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Easy-to-use adjustable strap dividers allow for a fine tune fit - An aerodynamic shape helps you outsmart the wind and ride faster - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Team Trek-Segafredo sticker kit included with Viper Red, White, and Visibility Yellow colorways - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm

When you're riding serious trails, you need serious protection. Bontrager Blaze WaveCel offers the best in performance and protection on any trail, from flowy singletrack to gnarly downhills. It’s built for style, comfort, and performance, and equipped with the industry's best safety tech for whatever trails you roam. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm

A trail-tested mountain bike helmet with advanced WaveCel technology for comfort and protection on any trail, any time. A major advancement in the protection against cycling-related head injuries When you're riding serious trails, you need serious protection. Blaze WaveCel offers Bontrager's best in performance and protection on any trail, from flowy singletrack to gnarly downhills. It’s built for style, comfort, and performance, and equipped with WaveCel for whatever trails you roam. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - BOA® Fit System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety. A major advancement in the protection against cycling-related head injuries Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - Virginia Tech 5 STAR rating - BOA Fit System lets you easily secure and adjust your helmet fit with one hand - Adjustable visor offers multiple coverage options - Extended back-of-helmet shell offers additional rear protection - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small (51-57cm) / Medium (54-60cm) / Large (58-63cm) - Fit system: Boa - Pad material: Moisture-wicking pads - Buckle type: Standard buckle - Includes: Crash Replacement Guarantee - Weight: 360g (Small) / 400g (Medium) / 430g (Large)

Ultra-versatile helmet that is light, cool, and sleek with the added protection of MIPS and the convenience of magnetic light mounts. If you could only buy one helmet, this is the one. Whether your finish line is on the race course or to the front door of your destination the Bontrager Circuit MIPS road helmet will deliver. Equipped will all the best features including MIPS brain protection system, Boa fit system for superior comfort and security, and the Blendr mount system for light and camera integration. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - Blendr mount system easily integrates GoPro camera and Bontrager lights accessories - The Boa System lets riders easily secure and adjusts helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - LockDown dividers make helmet strap management clean and are easy to adjust - Internal, recessed channels move airflow over your head to stay cool and dry - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

Capable coverage, comfortable protection Starvos MIPS road helmet offers ample protection, airflow management, and comfort with the widest range of head sizes. A clear choice for cyclists of all levels. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - Soft, comfortable, moisture-wicking and washable helmet pads - FlatLock dividers make helmet strap management simple through fixed position fit - Internal, recessed channels move airflow over your head to stay cool and dry - Reflective elements on back of helmet - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

Our most innovative helmet with the added protection of MIPS for serious riders looking for maximum cooling and an aerodynamic advantage. Cool got aero Our Velocis MIPS road bike helmet pairs pro peloton performance with all-day riding comfort. This premium cycling helmet is super light and sleek, allowing you to go faster and stay cool, so you can turn up the jets without overheating. Product details - MIPS Brain Protection System - The Boa System lets you easily secure and adjust helmet fit with one hand - Internal, recessed channels move airflow over your head to keep you cool and dry - 37.5 fit pads pull moisture away from your skin to help maintain ideal comfort - Sunglass port allows easy access to securely store glasses when not in use - Viper Red, White, and Visibility Yellow colorways come with Team Trek-Segafredo sticker kit - Includes removable NeoVisor for all the benefits of a cycling cap without extra bulk - Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership

Aggressive styling in our most affordable DH certified helmet Our Rampage Helmet features a lightweight injection-molded ABS shell inspired by our iconic Rampage Pro Carbon Helmet. Large vents provide superior airflow for all-day comfort. The fully adjustable visor and quick release buckle add big-mountain function to this full face MTB helmet. - Proven MIPS™ impact protection system reduces rotational forces in a crash - Lightweight, injection molded ABS shell - Inspired by our podium-proven Rampage Pro Carbon - Mesh vent screens provide ventilation while filtering dirt and debris - D Ring closure - Adjustable visor - CERTIFICATIONS - CPSC - EN 1078AS/NZS 2063 - ASTM 1952-15 downhill - ASTM 2032-15 BMX

The Rampage Comp Matte Black Helmet offers a class-leading feature set including MIPS, a lightweight fiberglass shell, fully-adjustable visor, and many other options usually reserved for much more expensive mountain bike helmets. The design is inspired by our championship-winning Rampage Pro Carbon and maintains that aggressive design which looks as fast sitting still as it does on the bike. Features - Proven MIPS impact protection system reduces rotational forces in a crash - Lightweight fiberglass shell designed for strength and performance - Goggle compatible adjustable visor - Removable, washable moisture-wicking liner - Lightweight and reliable double d-ring closure

Proven MIPS coverage for superior open-face performance - MIPS' added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle compatible, 3 position adjustable visor - Removable, washable moisture wicking liner - 360°Fit System allows you to dial in your perfect fit every ride - EPS, PC, PA, Polyester

Performance-focused open-face trail helmet - MIPS' added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - Dual-density Varizorb EPS provides improved protection by spreading forces of impact across a wider area - Fidlock SNAP helmet buckle provides quick and secure entry and exit while wearing gloves - Removable, washable XT2 liner is antimicrobial and manages odor while wicking moisture away from the head - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle compatible, 3 position adjustable visor - 360°Fit System allows you to dial in your perfect fit every ride

The Old School Cert was modified from the original 1973 Full-Tec and features a retro shape that sits low on your head, offering great impact protection. - The more rounded shape practically molds to any shape head - High-Impact ABS shell - Premium heat-sealed EPS liner for a comfortable fit - 11 open vents keep you cool - Compression molded pads - CPSC 1203, EN 1078, AS/NZS 2063:2008 certified - Small = 54 – 56cm - Medium = 56 – 58cm - Large = 58 – 60cm - X-Large = 60 – 62cm

For maximum safety, the Viantor has the ActiCage structural reinforcement integrated into the EPS. It provides maximum protection while ensuring optimal ventilation and extreme comfort. - ActiCage allows for large ventilation openings without compromising the helmet's safety - Multi Shell In-Mold for durable bonding of multi-part outer shell and shock-absorbing helmet material (EPS) - Good ventilation with 4 air inlets and 14 air outlets connected with flow channels - Zoom Ace fit system with a non-slip adjustment wheel - Semi-enclosing plastic ring connected to the adjustment system for optimum stability and fit - Ponytail-compatible and well suited for braided hairstyles Sizing: - Small: 51 – 55cm - Medium: 52 – 58cm - Large: 58 – 63cm

Proven Kali protection in a lightweight stylish full-face helmet. Whether you're knocking out laps in the bike park or gearing up your grom for their first shred session, the Zoka is tough to beat. - Removable/Washable Liner - Anti-Microbial Pads - Adjustable Moto-Style Visor Material: - ABS Shell - EPS Foam Certifications: - ASTM F1952 - CSPC - EN 1078 Sizing: - Small = 55 – 56cm - Medium = 57 – 58cm - Large = 59 – 60cm - X-Large = 61 – 62cm

The Saha is a very eco-friendly urban helmet featuring Bio-Dome construction, recycled EPS, and natural fabrics. The PLA-ABS blended shell, removable visor, and Fidlock buckle make the Saha an unapologetically tough and versatile helmet for any commute. - Technology : Bio-Dome - Features: Fidlock Snap Buckle, Snap-Fit Removable Visor, 100% Cotton Pads, Locking Sliders - Material: ABS-PLA Blended Shell, Recycled EPS Foam, Water-Based Paint - Vents: 11 - Weight: 296g / 10.4oz - Certification: EN 1078, CPSC, AS/NZS 2063-2008 - Intended Use: Commute, Recreational - Small/Medium = 55 – 58cm - Large/X-Large = 58 – 61cm

The MTB Helmet Trusted By UCI World Cup Champions When the trail is rowdy, rough, and throwing everything including the kitchen sink at you, the Rampage Pro Carbon MIPS Helmet puts you in a 'gimmie more sink' mood. This kind of confidence can only come from absolute trust in your helmet, and that's what you get with the Rampage Pro Carbon. This is performance and protection wrapped in one lightweight, race-ready package. Trusted by UCI World Cup Champions and designed with direct input from our elite downhill and freeride athletes, its features read like a gold-standard helmet checklist. MIPS, designed to reduce rotational motion and redirect forces from your brain in a crash, is top of that list. Pair that peace of mind with breakaway visor screws that are designed specifically to sheer off on impact and reduce those rotational forces, and that's dialed protection. There's no need to sacrifice comfort or performance for that protection, either. Dual-density, injection-molded Varizorb EPS liner balances weight with performance but also ups the protection further by spreading forces over a wider surface area. Superior ventilation and airflow come care of the injected mesh vent screens, keeping you cool while also protecting against flying dirt and debris, while the X-Static head liner and cheek pads ward off bacterial growth (meaning less of your stink gets into it), and is machine washable. - Proven MIPS impact protection system reduces rotational forces in a crash - Breakaway visor screws sheer off at impact - Dual-density, in-mold Varizorb EPS balances weight with performance - Lightweight carbon fiber shell - Injected mesh vent screens provide ventilation and airflow, and shield from dirt and debris - Moisture-wicking, antimicrobial, washable X-Static comfort liner and cheek pads CERTIFICATIONS - CPSC 1203 - EN 1078 - AS/NZS 2063 - ASTM F1952

A trail-tested mountain bike helmet with advanced WaveCel technology for comfort on any trail, any time. A major advancement in the protection against cycling-related head injuries When you're riding serious trails, you need serious protection. Blaze WaveCel LTD offers Bontrager's best in performance and protection on any trail, from flowy singletrack to gnarly downhills, and it’s available now in a run of limited edition colorways. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - BOA® Fit System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

The Hyban 2.0 combines a particularly robust, hard shell with huge air intakes. In combination with the bright, integrated LED rear light, the Hyban 2.0 is the perfect everyday helmet for the city. - ABS hard shell: Robust helmet made of EPS foam and injection molded outer shell - High visibility: High visibility due to reflectors - Bug mesh: Full protection from insects - Ponytail compatibility: Perfect fit for people with long hair - Full-ring: Adjustable ring connected to adjustment system enclosing all of the head - Excellent ventilation with 5 air inlets and 8 air outlets - Zoom Ace Urban: Finely adjustable adjustment system with handy adjustment wheel for a customizable fit - Large, high-mounted, and integrated LED taillight with 180° visibility Sizing: - Medium: 52-58cm - Large: 56-61cm - X-Large: 58-63cm