Ride into space on light-up space-themed accessories for your spokes! These comet shaped add-ons are perfect for kids’ or adult bike spokes. And easy tool-free installation means you’re riding on stars in minutes! Includes 2 mini twinkling, color changing LED spoke lights. Fits most standard spokes. Suoer bright LEDs last for up to 24 hours. Weather reisistant. No tools required to install. 2 easy to replace CR927 (#V) batteries included.