Troy Lee Designs is Always Evolving. MIPS C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Comp routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static and XT2 anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
Troy Lee Designs is Always Evolving. MIPS C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Comp routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static and XT2 anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
in 3 offers
Troy Lee Designs is Always Evolving. MIPS C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Comp routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static and XT2 anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
Troy Lee Designs is Always Evolving. MIPS C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Comp routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static and XT2 anti-microbial/anti-odor padding keep the inside of the helmet a much nicer place to be. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
Size
Last updated at 05/11/2025 22:18:20
Troy Lee Designs Downhill D4 Composite Qualifier Full Face Mountain Bike Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill BMX MTB
Delivery between 10–14 Nov $15.52
TLD 23 D4 AS Composite MIPS Helmet / Qualifier White / Blue | Shop at White/Blue / M-L
Delivery $11.99
Troy Lee Designs D4 Composite MIPS Helmet Qualifier Blue White Orange
Delivery between 12–18 Nov $30.56
See 5 historical offers
Troy Lee Designs D4 Composite BMX Race Helmet-Qualifier White/Blue, Adult X-Large
D4 Composite Helmet W/Mips Qualifier White / Blue
Delivery between 13–21 Oct $219.05
Troy Lee Designs Downhill D4 Composite Qualifier Full Face Mountain Bike Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill BMX MTB
Delivery between 10–14 Nov $15.52
TLD 23 D4 AS Composite MIPS Helmet / Qualifier White / Blue | Shop at White/Blue / M-L
Delivery $11.99
Troy Lee Designs D4 Composite MIPS Helmet Qualifier Blue White Orange
Delivery between 12–18 Nov $30.56
See 5 historical offers
Troy Lee Designs D4 Composite BMX Race Helmet-Qualifier White/Blue, Adult X-Large
D4 Composite Helmet W/Mips Qualifier White / Blue
Delivery between 13–21 Oct $219.05