Flowline SE Helmet Stacks Charcoal / Sienna Size:XS/SM Replacement headliner for the Troy

Replacement headliner for the Troy Lee Designs D4 Helmet

Our lightest

See the size chart for more information

figure flattering shapes and patterns

Developed with our World Cup downhill athletes and BMX Olympians further accelerates the Sprint Ultra pant ahead of the pack

Flowline SE Helmet Stacks Charcoal / Sienna Size:XS/SM Replacement headliner for the TroyMips equipped and eMTB rated, Flowline SE sets the standard for safety within a modern, minimalist design, achieving a four star safety rating from Virginia Tech. With 14 vents, an anti microbial liner, and a Fidlock magnetic buckle system, Flowline SE is the workhorse of trail helmets.