Aurora Topcap bag Fits all standard cranks with

Fits all standard cranks with 9/16-20 tpi right- and left-hand threads – some kid’s bikes and vintage bikes may have smaller incompatible threads

Every superhero needs a sidekick

Any of our bolt-on Drop-Stop® chainrings with through holes

fun-to-ride

This kids' bike includes a sticker pack that your child can use to decorate their gear and express their style

Aurora Topcap bag Fits all standard cranks withSend your bike into a magnetic storm with Aurora. Harnessing the power of solar flares and brilliant ribbons of light, this design is sure to mystify regardless of your proximity to the north pole. We love this design to the moon and back!