NEW absoluteBLACK Single-Speed Cog - HG Spline, 16t, Black type_bells-horns Durable training wheels that provide

Durable training wheels that provide security and confidence to any child's bike

combining great value with trickle-down technology from Shimano's top-tier groups

Fits handlebars with 21

while being fully capable of off-pavement pursuits

NEW absoluteBLACK Single-Speed Cog - HG Spline, 16t, Black type_bells-horns Durable training wheels that provideabsoluteBLACK single speed cogs feature a unique tooth shape, narrow wide profile and perfect roundness. Crafted with CNC machined 7075 aluminum with an anodized finish for long lasting construction. Tooth design is wider and more "square like" compared to other single speed cogs The narrow wide profile provides additional strength and offers greater chain retention Compatible with 1X, 6, 7, 8, 9, 10, 11, and 12 speed chains To utilize the narrow wide