troy lee designs d4 composite mips helm frames Electra aerodynamically optimized shape of the

aerodynamically optimized shape of the frame and fork make the Synapse even faster than its predecessors

The strength of the Tero is the fusion of power

Shock pump with 2-stage Schrader valve head

Long cut for a good sitting position

Despite the enormous comfort

troy lee designs d4 composite mips helm frames Electra aerodynamically optimized shape of theTroy Lee Designs D4 Composite MIPS Helmet Frames Always evolving. Designed with a shell construction and aerospace grade materials, the D4 Composite helmet weighs just 1050 grams without sacrificing strength. The Mips C2 protection system provides additional safety in the event of a crash. For comfort, the D4 Composite directs cooling air through a front air intake system that flows through the polymer mid panel and Power Grid side panels to keep your