Chalktrail Replacement Chalk is a perfect fit!
It's a 4-pack supply of replacement chalk for the patented ChalkTrail bike attachment.
Each piece of Giant Chalktrail Chalk lasts about 1.5 miles. That means this 4 pack of Chalktrail Chalk provides roughly 6 miles of healthy, creative, colorful fun!
Chalktrail Replacement Chalk