Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Crest Gold Wheels Factory Built With a convenient zippered fly

With a convenient zippered fly

Tires are all about maintaining balance and gaining maximum speed on the track

featuring an I-Beam construction for increased torsional rigidity and counteracting spoke loads

and always use carbon paste on the bar/stem contact point when installing

Fits 1-1/8” Steerer Tubes and Standard 22

Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Crest Gold Wheels Factory Built With a convenient zippered flyThe Troy Lee Designs D4 Carbon MIPS BMX Race Helmet Crest Gold delivers top tier protection with a lightweight carbon shell and advanced safety features. Engineered for high speed BMX and downhill performance, it combines Mips technology with an EPP chin bar and emergency release cheek pads for added security. Designed for comfort and durability, this helmet keeps riders cool with moisture wicking materials and strategically placed ventilation.