5 28 - 11 9 42 28

Tip: Please measure your head circumference before ordering

Carry Weight: 9

STRAP MATERIAL Silicone PHYSICAL SIZE Stretchy bands accommodate wrists up to 147 mm (ages 4-7)Adjustable bands fit 130-175 mm (ages 4+)vívofit 3

Connectivity: ANT+ and up to three Bluetooth connections

VITTORIA Presta Inner Tube Standard 27.5X1.952.5 Shop By Brand_ELEMENTAL 5 28 - 11 9The classic tube for all applications When you ride daily, reliable utility means everything, and no inner tube handles the grind like butyl. It retains air across multiple days and its more rugged qualities mean it can be tossed around in a jersey pocket or saddlebag and installed on the side of the road or trail. High air retention, easy mounting, reliable puncture resistance, and a 0. 9mm tube wall butyl inner tubes define the reliable convenience