Troy Lee Designs GP Silhouette BMX Race Helmet-Black/Gray size-20mm This stem will only fit

This stem will only fit a 1" steerer tube

0 Jersey is the second-generation line providing the ultimate protection for riders

Barcode 002679 Special Shipping Group No decorateTable('product-attribute-specs-table')

48-Splined GDH hollow CrMo or Ti

Troy Lee Designs GP Silhouette BMX Race Helmet-Black/Gray size-20mm This stem will only fitThe Troy Lee Designs GP Silhouette Helmet Black Gray is both lightweight and durable with a 1500 gram polyacrylite shell. It features 16 air vents to keep your noggin cool while pedaling hard. For added safety there is an emergency release system for first responders. Comes in three shell sizes to fit old heads, small heads, big heads, bald heads. A Troy Lee Designs helmet sock is included. SPECIFICATIONS Technoligically advanced polyacrylite shell