SENA SMART HELMET WITH ALEXA BUILT-IN
Meet the Sena R2X, the first smart cycling helmet with the convenience of Amazon Alexa Built-in.
The R2X features seamlessly integrated speakers and microphone, which allow users to use the R2X’s communication features and speak directly to Alexa. Sena’s helmet-to-helmet Mesh Intercom™ communication platform makes it easy to communicate with cycling partners while riding.
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Alexa Built-In
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Mesh Intercom™
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Built-In Speakers & Mic
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LED Taillight
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Intercom Range 900 m / 0.6 mi
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Aerodynamic Design
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SPEAK TO ALEXA THROUGH THE R2X
Alexa is Amazon’s intelligent cloud-based voice AI. Speak to Alexa through the R2X to play music, hear the news, check weather, even control smart home devices, and more. Using Alexa with the R2X is simple and hands-free—just ask, and Alexa will respond instantly. In order to use Alexa with your R2X helmet, make sure to take your smartphone with the Amazon Alexa app installed along on your ride.
*Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. -
COMMUNICATE HELMET TO HELMETWITH MESH INTERCOM™
Sena’s Mesh Intercom™ allows riders to communicate hands-free with any other Mesh user (R2 EVO, R1 EVO, M1 EVO) within a half-mile range (900 meters) with the touch of a button. Multi-channel Open Mesh offers 9 channels, letting you switch between groups on different frequencies. Sena’s Mesh platform offers flexibility by allowing riders to come in and out of range while keeping the rest of the group connected. Whether you are riding with one other person or a group, the R2X will take your ride to the next level. Audio is delivered through integrated speakers located above the rider’s ears, which allows for awareness of surrounding sounds such as traffic, unlike in-ear buds. Located in the front of the helmet is a built-in microphone that houses Sena's patented Advanced Noise Control™ technology, picking up and transmitting your voice clearly.
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PREMIUM FEATURES
FOR COMFORT AND SAFETYThe R2X houses an integrated LED taillight. With three brightness settings, you can enhance rider visibility based on your particular lighting situation. The R2X is also safety-certified and built with a protective in-mold polycarbonate shell. The helmet, lined with removable and washable inner padding, features a smooth nylon chin strap, and a spin lock for a secure fit.
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SMARTPHONE CONNECTIVITY
Bluetooth® technology allows you to connect to your smartphone, enabling you to tap into Alexa Built-in, make phone calls, listen to music, hear GPS navigation, and even connect to fitness apps. The Sena Cycling App allows riders to conveniently take control of the R2X's features. Through the app, you can create groups of friends to easily connect with, control taillight settings, manage multi-language voice prompt selection, and access the Quick Start Guide on the go.
ENERGIZE YOUR RIDEWITH SENA APP
Simply pair one of your Sena helmets or communication systems with the Sena Cycling App for quick setup and easy management. You can pair/connect your device through the Bluetooth settings menu on your mobile phone. The Sena Cycling App is compatible with Sena's helmets and communications systems for cyclists.
COLORS
The R2X cycling helmet with Alexa Built-in is available in three color variations: Matte Black, Matte White, and Matte Gray.
The R2X helmet is available in sizes small, medium, and large.
SIZING GUIDE
- Wrap a soft, flexible measuring tape horizontally around your head 1 inch above your eyebrows and ears. Pull the tape softly snug, read the length and repeat for accuracy. Use the largest measurement.
- Select the helmet size that is closest to your head measurement from the size chart below.
| Size | Head (Centimeters) | Head (Inches) |
|---|---|---|
| S | 50 – 55 | 19 5/8 – 21 3/4 |
| M | 55 – 59 | 21 3/4 – 23 3/8 |
| L | 59 – 63 | 23 3/8 – 24 3/4 |
CYCLING COMPARISON CHART
Compare product features using the chart below.
KEY FEATURES
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Alexa Built-In
Alexa is Amazon’s intelligent cloud-based voice AI. Speak to Alexa through the R2X to play music, hear the news, check weather, even control smart home devices, and more.
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Mesh Intercom™
Robust & reliable communication network.
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Built-In Speakers & Mic
Integrated speakers and a microphone.
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LED Taillight
Integrated rear light with three brightness settings.
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Intercom Range 900 m / 0.6 mi
Maximum distance operating within optimal conditions.
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Aerodynamic Design
Streamlined, wind-resistant helmet design.
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Advanced Noise Control™
Advanced Noise Control™ reduces the effects of ambient noise during intercom conversations.
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Fitness App Compatible
Listen to audio feedback from smartphone fitness apps.
SPECIFICATIONS
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GENERAL
Weight: 420 g (M size)
Operating Temperature: -10 °C – 55 °C (14 °F – 131 °F)
Storage Temperature: 15 °C – 30 °C (59 °F – 86 °F) -
HELMET
Size: S / M / L
Color: Matte Black / Matte White / Matte Gray
In-mold polycarbonate helmet shell with EPS liner
Nylon Chinstrap -
MESH NETWORK
Mesh Intercom™ Technology
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BLUETOOTH
Bluetooth 5.1
Headset Profile (HSP)
Hands-Free Profile (HFP)
Advanced Audio Distribution Profile (A2DP)
Audio Video Remote Control Profile (AVRCP) -
ALEXA BUILT-IN
Integrated cloud-based voice AI
Speak directly to Alexa through the R2X
Hands-free access to Alexa commands -
INTERCOM
Mesh Intercom™:
• Working Distance: up to 900 m (0.6 mi)* in open terrain
*Can extend up to 3.6 km (2 mi) between 6 participants
• Open Mesh Intercom:
⁃ 9 channels
⁃ Virtually unlimited participants -
AUDIO
Noise Cancellation: Advanced Noise Control™
Codec: Built-in SBC Codec -
BATTERY
Talk Time: 8 – 12 hours (varies based on LED use)
Charging Time: 2 hours
Quick Charging: 20 minutes of charging equals 2 hours Intercom
Charging Temperature: 0 °C – 40 °C (32 °F – 104 °F)
Type: Lithium Polymer Battery -
CERTIFICATES
Electronics: CE, FCC, IC
Helmet: CE EN 1078, CPSC 1203
*Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older -
WARRANTY
Electronics: 2 years
Helmet Integrity: 2 years
