Shokz OpenFit PRO True Wireless Earbuds - Black ABUSMARCH As a further aid to

As a further aid to the aerodynamic profile of the helmet

Chainring interface is 5-bolt (110 BCD) and 4-bolt (110 BCD)

Cadence sensor: included

SM-CR86 direct-mount chain ring

Available in 40mm and 60mm

Shokz OpenFit PRO True Wireless Earbuds - Black ABUSMARCH As a further aid toShokz OpenFit Pro Open Ear Sound Reimagined Experience audio that keeps you connected to your world and immersed in your music. The Shokz OpenFit Pro are premium open ear wireless earbuds engineered for all day listening from workouts and commutes to work calls and leisure. Designed for comfort, clarity, and awareness, these earbuds deliver powerful sound without blocking your ears, so you stay alert to your surroundings. Key Features Rich, Detailed