Shoei RF-1400 vs AGV K6 S: Sport-Touring & Daily Choice
Evan Rally
Updated: August 31, 2025
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If you spend your weekends chasing backroads or stacking highway miles, you already know a good helmet makes all the difference.
Shoei’s RF-1400 has been the go-to for years, while AGV’s newer K6 S takes some MotoGP DNA and shapes it for everyday riders. Both are built for comfort, safety, and long-haul aerodynamics, but they go about it in slightly different ways.
In this breakdown, we’ll walk through weight, noise, airflow, visor setups, comms fitment, and value—so you can figure out which one’s the better fit for your rides.
Quick Take: Who Each Helmet Suits Best
Who should buy the Shoei RF‑1400
- You prioritize a quiet ride and wind‑tunnel‑proven aerodynamics over outright lightness.
- You value Snell M2020D certification for potential track days or extra peace of mind.
- You’re willing to pay a bit more and tolerate extra weight for premium finish and durability.
Shoei RF-1400 Street Helmet
Check Price on Motosport
Check Price on Revzilla
$649.99
One of the top motorcycle helmets for street riding due to its incredible safety ratings, solid build construction, versatile shell for street and track riding, and reasonable price. Long term review here.
Pros:
- Staff pick at Revzilla
- Excellent build quality
- Thick noise-sealing cheekpads
- Airtight visor seal
Cons:
- Slightly snug out of the box—needs break-in
We may earn commissions if you make a purchase.
For a deeper dive, check out our Shoei RF-1400 review where we logged four years of use.
Who should buy the AGV K6 S
- You want the lightest possible full‑face helmet without compromising on modern ECE 22.06 and DOT safety standards.
- You prefer a wide, panoramic field of view and a simple visor mechanism.
- You ride in hot climates or on longer tours where reduced neck fatigue outweighs slightly higher wind noise.
AGV K6 S Helmet
Check Price on Revzilla
Check Price on Amazon
A lightweight and aerodynamic helmet designed for ultimate comfort and protection, inspired by MotoGP technology.
Pros:
- Ultra-light composite shell reduces fatigue
- 190° field of view enhances road awareness
- Aerodynamic design with low wind noise
- Excellent ventilation with multi-vent airflow
- Eyeglass-friendly interior and comms-ready
Cons:
- Vent sliders can be fiddly with gloves
- Compact sizing—double-check shell fit
We may earn commissions if you make a purchase.
The AGV K6 S is about $80–$150 cheaper and roughly 10 oz lighter. The Shoei RF‑1400’s extra cost buys superior noise isolation and Snell certification but at the expense of weight and the convenience of an internal sun‑visor. Choose based on whether quietness and Snell approval or lightness and price matter more to you.
Spec Sheet Showdown
| Specs | Shoei RF‑1400 | AGV K6 S |
|---|---|---|
| Weight | ~3.6 lb (medium) – independent tests show ≈3 lb 10 oz; some larger sizes near 3.75 lb | ~3.0 lb – RevZilla lists 3.02 lb; some tests show 2 lb 15 oz |
| Fit/Shape | Intermediate‑oval; five shell sizes for precise fit; tight out of box with snug cheek pads | Intermediate‑oval; four shell sizes; slightly compact sizing; breaks in after a few rides |
| Shell/Materials | AIM+ multi‑ply matrix of fiberglass and organic fibres; dual‑density EPS | Carbon/aramid/fiberglass composite shell; five‑density EPS in multiple shell sizes |
| Safety/Certifications | Snell M2020D and DOT; not ECE 22.06 (European version NXR 2 has ECE) | DOT and ECE 22.06 certification; double‑D chin strap with emergency‑release cheek pads |
| Ventilation/Weatherproofing | Redesigned forehead and chin vents with enlarged rear exhaust; vortex generators and airtight shield seal reduce noise; no internal sun visor; Pinlock included | Five front vents and one rear extractor; “defogger” system with easy‑to‑operate vents; integrated spoiler reduces lift; field of view 190° × 85°; Pinlock 120 XLT included |
| Electronics/Comms | No integrated comm recesses; contoured shell makes sticky mounts tricky but Sena/Packtalk units can be fitted; ample speaker room | Dedicated speaker pockets and cheek‑pad releases; ready for AGV ARK system; compact shell may squeeze some larger intercom modules |
| Warranty | 5 years (or 7 years from manufacture date) | 5 years with registration (1 year standard plus 4‑year extension) |
| Street Price (typical) | $680–760 for solids/graphics; sale pricing around $530 for solid colours | $540–600 for solids; graphics add $80–110; blemished units around $540 |
Which Lid Matches Your Riding Style?
Shoei RF‑1400
- You frequently ride at highway speeds and demand the quietest possible environment. The RF‑1400’s vortex generators, thick neck roll and precise shield seal significantly reduce wind noise.
- You plan occasional track days or simply want Snell certification. Snell M2020D testing still exceeds DOT/ECE in some impact scenarios.
- Your head is intermediate‑oval and you appreciate five shell sizes that minimize “bobble‑head” effect. Fit is snug initially but breaks in over a week or two.
- You’re willing to pay more for premium paint, refined fit and finish and a five‑year warranty with crash replacement policy.
- You don’t mind wearing sunglasses or swapping shields in lieu of an internal sun visor.
AGV K6 S
- You prioritize low weight and reduced neck fatigue on long rides. The K6 S saves roughly 10 oz compared with the RF‑1400 and feels noticeably lighter on the head.
- You want a wide, unobstructed field of view for city riding, twisty roads and commuting; the panoramic eye‑port gives 190° horizontal and 85° vertical visibility.
- You ride in warm climates where a lighter shell and multiple vents help keep fatigue down. Although not the most ventilated helmet on the market, the airflow is more than adequate for most conditions.
- You accept average noise levels. Owners report the K6 S is noisier than heavier helmets, so earplugs remain essential for extended highway use.
- You want ECE 22.06 certification and DOT compliance without paying premium race‑helmet prices.
We also published a AGV K6 S review with key learnings from real-world miles.
From the Saddle: Rider Feedback
Shoei RF-1400
- Whisper-quiet ride noted by many owners
- Redesigned CWR-F2 shield, vortex generators, and thick neck roll reduce turbulence
- Premium feel with solid build, plush liner, and Snell-certified shell
- Downsides: heavier at 3.6–3.7 lb and snug fit until pads break in
- No internal sun visor; riders rely on sunglasses or tinted shield
AGV K6 S
- Feather-light around 3 lb; easier on the neck for long miles
- Panoramic field of view with wide eye-port
- Secure visor system allows quick, simple shield swaps
- Comfortable, quick-dry padding; shallow speaker pockets noted
- Average wind noise; earplugs recommended
- Vent sliders fiddly with gloves
- Compact sizing; best to try before buying
Feature Face-Off
Weight & Fatigue
The most tangible difference between these helmets is weight. The Shoei tips the scales around 3.6–3.7 lb, making it one of the heavier premium full‑face helmets.
The AGV, by contrast, hovers near 3 lb – a difference of roughly 10 oz. Over an all‑day ride or a multi‑day tour, that savings translates to less strain on neck muscles and reduced fatigue. If you’re sensitive to weight or ride long distances, the K6 S’s lighter shell will be noticeable.
Noise & Aerodynamics
Shoei engineered the RF‑1400 for quietness. Vortex generators near the visor edge smooth airflow, an enlarged rear exhaust maintains negative pressure and the thick neck roll seals the gap around the collarbone. Independent testers and owners consistently remark that the RF‑1400 is among the quietest full‑face helmets, especially at highway speeds. Aerodynamic stability is excellent, with minimal lift or buffeting.
The K6 S prioritizes lightness over noise isolation. The shell design still includes a modest spoiler to reduce lift, but riders report more wind noise than the Shoei. On naked bikes or in turbulent air, the K6 S can be loud. For most riders wearing earplugs, the noise level is acceptable, but the Shoei still wins on serenity.
Ventilation & Field of View
Both helmets provide functional but not class‑leading ventilation.
The RF‑1400 uses a redesigned forehead vent and enlarged rear exhaust to pull air through the dual‑density EPS. Riders find airflow adequate for most climates but note that the snug neck roll and thick padding limit the sensation of breezy cooling.
The AGV features three forehead inlets, a central chin vent and a rear extractor integrated into the spoiler. These vents are easy to operate with gloves and create a “defogger” effect; however, reviewers on our site and in independent tests describe the airflow as average.
Where the AGV shines is visibility: its 190° horizontal and 85° vertical field of view allows you to see traffic and apexes without excessive head movement. The Shoei’s eye‑port is generous but more conventional.
Visor & Sun‑Shield Usability
Shoei’s CWR‑F2 shield has a flat outer surface for better optics and a center locking mechanism that creates even pressure across the seal. It comes Pinlock ready and includes a Pinlock Evo insert to prevent fogging. There’s no drop‑down sun shield, so riders must switch to a tinted visor or wear sunglasses.
Shoei CWR-F2 Pinlock-Ready Face Shield
Check Price on Revzilla
Pinlock-ready Shoei CWR-F2 shield offers distortion-free optics, strong UV protection, and improved aerodynamics—designed for clear, fatigue-free vision
Pros:
- Distortion-free 3D optics enhance visual clarity
- UV protection blocks ≥99% of harmful rays
- Aerodynamic design reduces wind noise at speed
- Tool-free quick-change makes swaps fast and easy
Cons:
- May notch fog in extremely cold, humid conditions
The AGV’s CNS‑1C visor also includes a Pinlock 120 XLT insert and uses metal pivots for durability. The visor latch is central and secure; swapping shields is quick thanks to the spring‑loaded mechanism. Like the Shoei, the K6 S lacks an internal sun visor, but its wide eye‑port makes wearing sunglasses easy. AGV offers an optional photochromic shield, though it costs extra and may have limited stock.
AGV K6 / K6 S Photochromic Face Shield
Check Price on Revzilla
Check Price on Amazon
Adapts automatically from clear to tinted (up to ~80%) using durable photochromic coating, maintains clarity, and supports Pinlock anti-fog inserts for safer riding in changing light conditions.
Pros:
- Easy install with OEM-compatible fit
- Smooth, automatic tinting transitions
- Pinlock-ready and scratch-resistant
- Broad 190° horizontal and 85° vertical view
Cons:
- Not legal for road use in some regions
- Tint may not fully return to clear in low light over time
Comms‑Ready Fitment & Electronics
Neither helmet includes a built‑in communication system, but each has been designed with external comms in mind. The RF‑1400’s contoured shell can make adhesive mounts tricky; many riders mount units using clamps on the thicker shell edge or rely on Shoei’s upcoming universal mount. Inside, there is enough room for speakers and a microphone.
The K6 S features dedicated speaker pockets and a special cut‑out for the AGV ARK intercom harness. Owners note that the pockets are shallow, so speakers may need to be cranked up to overcome wind noise. If you plan to integrate a Sena or Cardo unit, both helmets can accommodate them, but the AGV’s pockets simplify installation.
Build Quality & Finish
Shoei has a reputation for meticulous build quality, and the RF‑1400 upholds it. The paint and graphics are flawless, the liner materials feel durable and the components (vents, visor mechanism, straps) operate smoothly. Many riders report that their RF‑series helmets last beyond the five‑year warranty period with regular maintenance.
AGV’s K6 S uses premium materials but is built to a lower price. The carbon‑aramid shell feels solid yet extremely light, and the interior fabrics are soft and quick‑drying. Some owners mention that the vent sliders and visor latch feel less substantial than the Shoei’s, though still functional. Overall build quality is very good but not as polished as the RF‑1400.
Value for Money: Is the Upgrade Worth It?
The RF‑1400 commands a street price around $680–760 for most colors and graphics. Sale pricing can dip to $530 for solid colors, but it remains a premium purchase. The K6 S typically sells for $540–600, with graphics adding $80–110. That means the Shoei costs roughly $80–150 more, depending on color and retailer.
What do you get for the extra money? Primarily a quieter ride, Snell M2020D certification and slightly higher build quality. If you ride long distances at highway speeds and noise fatigue is your main concern, or if you want a helmet that could pass scrutineering at a track day, the RF‑1400 justifies its premium. If weight and neck comfort matter more and you’re content with DOT and ECE 22.06 certification, the K6 S offers better value. Given the price gap is not massive, think about where you ride and which trade‑off will improve your day‑to‑day experience.
If you’re weighing them against other long-haul options, our best touring motorcycle helmets guide lines up the RF-1400, GT-Air 3, RF-SR and more.
Other Helmets Worth a Look
Arai Signet‑X – Snell‑approved, long‑oval full‑face helmet with excellent ventilation and plush interior. Ideal for riders who need a narrow, long‑oval fit and are willing to pay for top‑tier quality.
Arai Signet-X Helmet
Check Price on Motosport
Check Price on Revzilla
Purpose-built for long‑oval heads, the Arai Signet‑X delivers exceptional comfort, top-tier Snell-rated protection, and robust ventilation—all without pressure points or fit compromises.
Pros:
- Tailored long‑oval interior eliminates forehead hotspots
- Lightweight shell reduces rider fatigue on long rides
- Excellent airflow keeps riders cool in traffic and heat
- Snell M2020 and DOT safety with customizable padding
Cons:
- Vent-heavy design can create noticeable wind noise
- Face-shield latch may be stiff with gloves on
We may earn a commission if you make a purchase, at no additional cost to you.
Schuberth C5 – Premium modular helmet with integrated sun visor and optional SC2 communication system. Slightly heavier than the RF‑1400 but among the quietest flip‑ups; great for touring riders who want modular convenience.
Schuberth C5 Helmet
Check Price on Revzilla
SC2 Custom Sena System
The quietest touring helmet money can buy, kitted out with all the features you expect for those long days in the saddle.
Pros:
- Modular flip up chin bar
- Drop down sun visor
- Space for integrated comms unit
- Many colorway options
- DOT certified, with ECE in EU
We may earn commissions if you make a purchase.
Sedici Strada 3 – Budget-friendly ECE 22.06 full-face with a lightweight shell. Brings solid ventilation, speaker-ready pockets, and four shell sizes; best for riders wanting modern certification at entry-level cost.
Sedici Strada 3 Helmet
Check Price on Revzilla
A budget-friendly full-face helmet offering thoughtful comfort and ventilation, with modern interior design and solid safety, ideal for entry-level and everyday riders.
Pros:
- Strong ventilation keeps head cool
- Comfortable laser-cut interior fit
- Aerodynamic shell reduces drag
- ECE-certified for trusted safety
Cons:
- Padding feels less plush
- Wind noise at higher speeds
We may earn commissions if you make a purchase. This keeps our site ad-free and never sponsored.
Frequently Asked Questions
Is the Shoei RF‑1400 quieter than the AGV K6 S?
Yes. Independent tests and rider feedback consistently place the RF‑1400 among the quietest full‑face helmets thanks to its aerodynamic shell, vortex generators and thick neck roll. The K6 S’s light shell and large vents generate more wind noise; earplugs are recommended for either helmet, but the difference is noticeable.
Do these helmets have internal sun visors?
No. Neither model includes a drop‑down sun visor. Both come with a clear shield and a Pinlock insert. Riders can swap to a tinted visor or wear sunglasses; AGV offers an optional photochromic shield for the K6 S.
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Pinlock-ready Shoei CWR-F2 shield offers distortion-free optics, strong UV protection, and improved aerodynamics—designed for clear, fatigue-free vision | Adapts automatically from clear to tinted (up to ~80%) using durable photochromic coating, maintains clarity, and supports Pinlock anti-fog inserts for safer riding in changing light conditions. |
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Pinlock-ready Shoei CWR-F2 shield offers distortion-free optics, strong UV protection, and improved aerodynamics—designed for clear, fatigue-free vision
- Distortion-free 3D optics enhance visual clarity
- UV protection blocks ≥99% of harmful rays
- Aerodynamic design reduces wind noise at speed
- Tool-free quick-change makes swaps fast and easy
- May notch fog in extremely cold, humid conditions
Adapts automatically from clear to tinted (up to ~80%) using durable photochromic coating, maintains clarity, and supports Pinlock anti-fog inserts for safer riding in changing light conditions.
- Easy install with OEM-compatible fit
- Smooth, automatic tinting transitions
- Pinlock-ready and scratch-resistant
- Broad 190° horizontal and 85° vertical view
- Not legal for road use in some regions
- Tint may not fully return to clear in low light over time
Which helmet fits more head shapes?
Both are intermediate‑oval, which suits the majority of riders. The Shoei offers five shell sizes for a more tailored fit, while the AGV has four. The K6 S tends to run slightly compact, so riders at the upper end of a size range may need to size up.
Are they compatible with glasses and communication systems?
Yes. The RF‑1400 has grooves in the liner to accommodate eyeglasses and enough room for most speaker kits, though mounting a clamp may require creativity. The K6 S’s wide eye‑port comfortably fits sunglasses, and it includes speaker pockets and is ready for AGV’s own ARK system; external units from Sena or Cardo also fit.
How do they compare in hot weather?
Both helmets offer adequate ventilation for most climates. The RF‑1400’s redesigned vents and negative‑pressure exhaust provide reasonable airflow but can feel warm on the hottest days. The K6 S is lighter and therefore less fatiguing in heat, but its venting is also described as average. For extreme heat, riders might consider helmets with larger mesh vents or modular designs.
Which safety standard is better: Snell or ECE 22.06?
They test different impact scenarios. Snell M2020D is a voluntary standard focusing on high‑energy impacts at specific points and often requires a stiffer shell. ECE 22.06 incorporates rotational and multi‑impact testing more representative of real‑world crashes. Both helmets also meet DOT. In practice, either certification provides excellent protection; choose based on personal preference or track‑day requirements.
Wrapping Up…
Both the Shoei RF-1400 and AGV K6 S are excellent full-face choices, but they suit different priorities. The Shoei leans toward quiet stability and long-term durability, while the AGV emphasizes feather-light comfort and a wide field of vision.
Whichever way you go, you’ll end up with a proven premium helmet built to keep you comfortable and protected on every ride.
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One of the top motorcycle helmets for street riding due to its incredible safety ratings, solid build construction, versatile shell for street and track riding, and reasonable price. Long term review here. | A lightweight and aerodynamic helmet designed for ultimate comfort and protection, inspired by MotoGP technology. Review here. |
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One of the top motorcycle helmets for street riding due to its incredible safety ratings, solid build construction, versatile shell for street and track riding, and reasonable price. Long term review here.
- Staff pick at Revzilla
- Excellent build quality
- Thick noise-sealing cheekpads
- Airtight visor seal
- Slightly snug out of the box—needs break-in
A lightweight and aerodynamic helmet designed for ultimate comfort and protection, inspired by MotoGP technology. Review here.
- Ultra-light composite shell reduces fatigue
- 190° field of view enhances road awareness
- Aerodynamic design with low wind noise
- Excellent ventilation with multi-vent airflow
- Eyeglass-friendly interior and comms-ready
- Vent sliders can be fiddly with gloves
- Compact sizing—double-check shell fit
