Bike Helmets

The reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious sh more→ell. Details make the Troy Lee D4 Polyacrylite MTB Full Face Helmet the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee D4 Polyacrylite MTB Full Face Helmet Highlights-Mips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension

The reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious sh more→ell. Details make the Troy Lee D4 Polyacrylite MTB Full Face Helmet the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee D4 Polyacrylite MTB Full Face Helmet Highlights-Mips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension

The reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious sh more→ell. Details make the Troy Lee D4 Polyacrylite MTB Full Face Helmet the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee D4 Polyacrylite MTB Full Face Helmet Highlights-Mips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, the Troy Lee Designs D4 Mips Helmet range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite mod more→els into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

The reigning king of full-face helmets, theTroy Lee Designs D4 Mips Helmetrange expands with aPolyacrylitemodel packing the same safety and comfort features as the premium carbon and composite models more→into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.Troy Lee Designs D4 Mips Helmet HighlightsMips® C2 Rotational Impact Brain Protection SystemAdvanced Polyacrylite shell constructionFront air intake system, with high flow through polymer center and power grid side meshCollarbone Suspension SystemBreakaway visor screwsAnti-microbial

As well as delivering a dose of Troy Lee Design style it also practical, being quick drying and odour resistant.Importantly, it offers many of Troy Lees' best safety features, including MIPS C2 protec more→tion against rotational forces, an EPS impact absorbing liner and an impact resistant ABS (acrylonitrile butadiene styrene) shell. As well, it comes with an adjustable visor that will protect your eyes from flying mud or the sun but can be raised to maximise your visibility if needed.An impressive 16 vents work to keep you cool as you ride, speeding the air through the front air intake system, then around your head to take away heat. Nonetheless, we all get a bit sweaty while racing, which is