Troy Lee Designs D4 Composite Helmet w/MIPS Shadow - Cascade Bikes
![Troy Lee Designs D4 Composite Helmet w/MIPS Shadow - Cascade Bikes](https://www.sefiles.net/images/library/zoom/troy-lee-designs-d4-composite-helmet-w-mips-shadow-410834-1.png)
Brand: Troy Lee Designs, Product: D4 Composite Helmet w/MIPS Shadow
Always Evolving
It wasn't easy to improve upon the class-leading design and function of our D3 helmet, but we made it happen. Built with an aerospace shell design and materials, we were able to
![](https://m.media-amazon.com/images/I/61aK3H-EdEL._AC_UF1000,1000_QL80_.jpg)
Troy Lee Designs D4 Carbon Full Face Mountain Bike Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women (Black/Flo Yellow, X-Small)
![](https://images.evo.com/imgp/zoom/172485/1073286/troy-lee-designs-d4-composite-bike-helmet-.jpg)
Troy Lee Designs D4 Composite Helmet Volt Blue Large
![](https://cld.accentuate.io/6757780324412/1674151930227/Bike_Helmet_Accolades_D4_Win_Photo_Ducarroz.jpg?v=1674151930227&options=w_1920)
D4 Composite Helmet W/MIPS Shadow Glo Red – Troy Lee Designs
COVERAGE: Composite shell, EPP Collarbone impact system, chinbar shock pads. 1050 grams VENTILATION: 24 vents- 10 front intake ports, 5 overhead
![](https://m.media-amazon.com/images/I/61lXXMA4cyL._AC_UF1000,1000_QL80_.jpg)
Troy Lee Designs Adult|Downhill|Mountain Bike|BMX|Full Face D4 Composite Helmet Graph W/MIPS
![](https://troyleedesigns.com/cdn/shop/products/TLD_B22SF_D4CM_VOLT_WHT_08_1000x.jpg?v=1655828450)
Troy Lee Designs D4 Composite Helmet Volt White Large
![](https://m.media-amazon.com/images/I/61zyoCa5EOL._AC_UF1000,1000_QL80_.jpg)
Troy Lee Designs D4 Carbon Full Face Mountain Bike Helmet for Max Ventilation Lightweight MIPS EPP EPS Racing Downhill DH BMX MTB - Adult Men Women (Black/Flo Yellow, X-Small)
![](https://troyleedesigns.com/cdn/shop/files/2000x1042_Beauty_2_1920x_crop_center_6e3099ed-dc29-419b-b6a4-1ac7b1dd1f41_1920x_crop_center.jpg?v=1663795238)
D4 Bike Helmet – Troy Lee Designs
![](https://troyleedesigns.com/cdn/shop/files/2000x1042_Beauty_5_1920x_crop_center_aceb927e-391d-4344-a4dc-bc3cea652957_1920x_crop_center.jpg?v=1663794681)
D4 Bike Helmet – Troy Lee Designs
![](https://cld.accentuate.io/6757780324412/1674151935582/Bike_Helmet_Accolades_D4_Win_Photo_Verbeeck.jpg?v=1674151935582&options=w_1920)
D4 Composite Helmet W/MIPS Shadow Glo Red – Troy Lee Designs
![](https://troyleedesigns.com/cdn/shop/products/sp21-d4-composite-helmet-stealth_GRAY-1_600x.jpg?v=1611609652)
Troy Lee Designs - Helmet D4 Composite MIPS Stealth Gray
![](https://cdn.shopify.com/s/files/1/0032/9023/4992/files/bell-sanction-2-full-face-mountain-bike-helmet-matte-turquoise-right-PhotoRoom.png-PhotoRoom_large.png?v=1695132303)
Troy Lee Designs D4 Composite Full Face Helmet - Shadow - Glo Red - 20 - Cambria Bike
Always Evolving. It wasn't easy to improve upon the class-leading design and function of our D3 helmet, but we made it happen. Built with an aerospace
![](https://i5.walmartimages.com/asr/e315e348-6f84-4df3-ba70-695e8206d42d.bbc96317d96c45c867e430aacf0888a7.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Troy Lee Designs D4 Composite Shadow MTB Mountain Bike Helmet Blue XL
![](https://p.vitalmtb.com/photos/products/29257/photos/57454/s1600_Troy_Lee_Designs_D4_Composite_Freedom_2.0_Red_White.jpg?VersionId=1DMUrmroxVvdYyp8HdbBbSdUjh0oC1sI)
Troy Lee Designs D4 Composite MIPS Full Face Helmet - Reviews, Comparisons, Specs - Full Face Helmets - Vital MTB