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Sena R2 Moutain Bike Helmet

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Sena Helmet Size Chart

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Sena R2 Moutain Bike Helmet

The R2 is an aerodynamic Smart Cycling Helmet designed for road cyclists. The R2 features a Bluetooth Intercom communication system for rider to rider conversation, plus smartphone pairing for music, GPS, cues from fitness apps, and more. The R2’s impressive featureset is a nod to Sena’s original R1 smart helmet, but the R2 takes things to the next level with a new design and an integrated taillight. The R. . . Show More >