Pay in 4 interest-free payments of $2.99 Learn more
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Lightweight and luxurious TPU upper material for supportive comfort and perfect perforation pattern for breathability
Includes headset compression ring
Genuine replacement parts 
Extra wide alloy rim (44mm outer
Trek Kids Bike Helmet Fit System - Headmaster 3 Kid's Headmaster 3 Fit System Black Default:Default Lightweight and luxurious TPU upperHelmet Part Trek Headmaster 3 Kids Fit System Genuine replacement parts Keep safe and look great with genuine replacement parts for your Trek helmet. Fit systems work hard to keep your helmet secure and to maximize safety. No matter what happens, these original replacements will get them working like new. Key Features Original replacement fit systems for your Trek helmet Compatible with Trek Child and Youth helmets with Headmaster fit systems
