Troy Lee Designs D4 Polyacrylite Full Face Helmet - Fifty-50 - Navy-Glo YellowPremium Protection at a Price That Makes Sense The Troy Lee Designs D4 Polyacrylite Full Face Helmet delivers the same race proven safety and comfort as its premium carbon and composite siblings, now in a durable and affordable polyacrylite shell. With Mips C2 brain protection, superior ventilation, and an anatomically optimized fit, the D4 Polyacrylite is designed for riders who demand top tier performance without breaking the bank. Key Features Mips

Complies with PPE Directive (EU) 2016/425

Separate dedicated lever for up- and down-shifts

Dual Genuine Kashima Coat hydro-pneumatic tire arms

Derailleur Mount Type: Standard

Disco Flash - 9:30h

XS 48-52cm

If working with leather

Schwalbe Racing Ray Evolution 29" Folding MTB Tire - SpeedGrip - Snakeskin

Electra Vale Sandblasted Handlebar - Silver

Open design aids mud clearance

more efficient and more affordable ceramic bearing

The PRS-26 uses the 100-25D Micro-Adjust Clamp