Ion 50 R Front Bike Light interchange ANT testing and listening to the

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Stow it in your jersey pocket

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Ion 50 R Front Bike Light interchange ANT testing and listening to theTrek Ion 50 R Front Bike Light A versatile USB rechargeable front bike light designed to help riders stand out after dark. A simple front bike light for after dark The Ion 50 R is a simple USB rechargeable front bike light that can help cyclists be seen after dark. The versatile design and included bike mount make for easy, tool free attachment to any bicycle. Remove the included mount to reveal a built in clip that securely attaches to a belt clip,