Nite Ize See 'Em Mini LED Bicycle Spoke Lights, Wheel Lights For Nighttime Visibility + Safety, 2 Pack, Red COLORFUL BIKE LIGHTS ATTACH EASILY TO SPOKES - These colorful little bicycle lights clip securely to your bike or to just about anything else on wheels that have spokes BE SEEN, BE SAFE + HAVE FUN - The attention-getting ring of light created by these LED spoke lights give you and your family members important side visibility while providing a fun pop of color on any ride BUILT TO WITHSTAND THE ELEMENTS - These bicycle lights are weather-resistant and housed in a tough plastic casing, so they can handle whatever Mother Nature dishes out on your ride LONG LASTING REPLACEABLE BATTERIES INCLUDED - 1 CR927 lithium battery is included and will power your light for 24+ hours AVAILABLE IN A VARIETY OF COLORS - Pick your favorite color, or pick up the assorted four pack for a rainbow of colorful fun WORRY-FREE GUARANTEE - all Nite Ize products are backed by our Worry-Free Guarantee