Improving upon the class-leading D3 helmet was no simple task, but Troy Lee Designs is never one to rest on its laurels. Built with an aerospace-grade composite shell, the new D4 Composite helmet weighs in at just 1050-grams without sacrificing any of the strength of the previous model. MIPS C2 protection system is used to mitigate rotational impacts, while the front air intake system with 24 vents keeps your head cooler than ever during intense rides. Washable X-static and XT2 anti-odor padding keep the inside of the helmet feeling fresh, and there's now an EPP collarbone impact system that helps reduce the forces transferred to this sensitive area.
Improving upon the class-leading D3 helmet was no simple task, but Troy Lee Designs is never one to rest on its laurels. Built with an aerospace-grade composite shell, the new D4 Composite helmet weighs in at just 1050-grams without sacrificing any of the strength of the previous model. MIPS C2 protection system is used to mitigate rotational impacts, while the front air intake system with 24 vents keeps your head cooler than ever during intense rides. Washable X-static and XT2 anti-odor padding keep the inside of the helmet feeling fresh, and there's now an EPP collarbone impact system that helps reduce the forces transferred to this sensitive area.
in 3 offers
Improving upon the class-leading D3 helmet was no simple task, but Troy Lee Designs is never one to rest on its laurels. Built with an aerospace-grade composite shell, the new D4 Composite helmet weighs in at just 1050-grams without sacrificing any of the strength of the previous model. MIPS C2 protection system is used to mitigate rotational impacts, while the front air intake system with 24 vents keeps your head cooler than ever during intense rides. Washable X-static and XT2 anti-odor padding keep the inside of the helmet feeling fresh, and there's now an EPP collarbone impact system that helps reduce the forces transferred to this sensitive area.
Improving upon the class-leading D3 helmet was no simple task, but Troy Lee Designs is never one to rest on its laurels. Built with an aerospace-grade composite shell, the new D4 Composite helmet weighs in at just 1050-grams without sacrificing any of the strength of the previous model. MIPS C2 protection system is used to mitigate rotational impacts, while the front air intake system with 24 vents keeps your head cooler than ever during intense rides. Washable X-static and XT2 anti-odor padding keep the inside of the helmet feeling fresh, and there's now an EPP collarbone impact system that helps reduce the forces transferred to this sensitive area.
Size
Last updated at 06/11/2025 05:38:28
Troy Lee Designs D4 Composite Helmet W/Mips Qualifier red\/silver md
Free delivery between 10–15 Nov
Troy Lee Designs D4 Composite Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women
Delivery between 10–14 Nov $15.52
Troy Lee Designs D4 Composite Helmet W/Mips Qualifier red\/silver xl
Free delivery between 10–15 Nov
See 6 historical offers
TLD Helmet - D4 MIPS Composite - Qualifier Silver/ Red - XLG/ 2XL - Cyclery Studio
Free delivery between 15–22 Oct
Troy Lee Designs D4 Composite Qualifier BMX Race Helmet-White/Blue, X-Large
D4 Composite Helmet W/Mips Qualifier Silver / Red
Delivery between 13–21 Oct $219.05
| Special Feature | Lightweight |
| Outer Material | Polycarbonate (PC) |
| Vehicle Service Type | Mountain Bike |
| Recommended Uses For Product | Cycling |
| Item Dimensions LxWxH | 20 x 10 x 10 inches |
Troy Lee Designs D4 Composite Helmet W/Mips Qualifier red\/silver md
Free delivery between 10–15 Nov
Troy Lee Designs D4 Composite Full Face Bicycle Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women
Delivery between 10–14 Nov $15.52
Troy Lee Designs D4 Composite Helmet W/Mips Qualifier red\/silver xl
Free delivery between 10–15 Nov
See 6 historical offers
TLD Helmet - D4 MIPS Composite - Qualifier Silver/ Red - XLG/ 2XL - Cyclery Studio
Free delivery between 15–22 Oct
Troy Lee Designs D4 Composite Qualifier BMX Race Helmet-White/Blue, X-Large
D4 Composite Helmet W/Mips Qualifier Silver / Red
Delivery between 13–21 Oct $219.05
| Special Feature | Lightweight |
| Outer Material | Polycarbonate (PC) |
| Vehicle Service Type | Mountain Bike |
| Recommended Uses For Product | Cycling |
| Item Dimensions LxWxH | 20 x 10 x 10 inches |