Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Drip White bottom-brackets Cranks: 2-pc Forged Alloy w/

Cranks: 2-pc Forged Alloy w/ 24mm Hollow Spindle - 170mm - 44t Alloy Chainring

Featuring a hollow titanium spindle and carbon BB body

add 30g for Hub Guard

the Rex bars use only the best 4130 chromoly steel material and TruTherm post weld heat treatment process to ensure maximum strength

Troy Lee Designs D4 Carbon MIPS BMX Race Helmet-Drip White bottom-brackets Cranks: 2-pc Forged Alloy w/The Troy Lee Designs D4 Carbon MIPS BMX Race Helmet Drip White 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.