Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Qualifier Blue/White head-tube-size-1-1-8-to-1-step-down 75"TT BMX Bike-Brett Silva Signature

75"TT BMX Bike-Brett Silva Signature delivers pro-level performance with a 100% chromoly frame and a design tailored to Brett Silva's specifications

This lightweight yet tough stem is made from CNC machined 6061-T6 aluminum alloy for the best weight to strength balance

Haro Baseline 3-piece Cr-Mo crankset

Cold forged & CNC machined 6061

Sprockets that come with 19mm or 22mm hat washers are 15/16″ / 24mm with the hat washer removed

Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet-Qualifier Blue/White head-tube-size-1-1-8-to-1-step-down 75"TT BMX Bike-Brett Silva SignatureThe Troy Lee Designs D4 Polyacrylite MIPS BMX Race Helmet Qualifier Blue White delivers top tier protection in a lightweight, budget friendly shell. With the same safety and comfort features as its high end counterparts, this helmet includes Mips C2 brain protection and an advanced ventilation system for airflow during intense rides. Its precision fit, impact absorbing design, and emergency ready cheek pads make it a trusted choice for serious racers.