2 pcs mount brake bolts

17mm 7075-T6 aluminum axle with steel helicoil thread inserts

double sidewall rims

They also use traditional looseball bearings and a chromoly spidnle combination to keep things smooth

The help keep the bar ends hidden and out of the way for less pain on bar spins

Troy Lee Youth BG5955 Race Chest Protector - Black supplier_54525278847302 2 pcs mount brake boltsThe Troy Lee Designs 5955 Chest Protector is specifically developed to integrate with industry leading neck braces without compromising fit, protection or rider safety. Exclusively designed to allow neck braces to nest properly against a rider's chest and back. Tested by top pros and elite amateurs, our innovative patent pending design gives riders the power to choose from multiple configurations for customized comfort and fit, unobstructed motion,