D4 Bike Helmet – Troy Lee Designs
![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)
The D4 helmet offers ultimate safety, while keeping the weight down. Look no further for your next Downhill bike helmet. Free shipping on all orders over $99.
![](https://cambriabike.com/cdn/shop/products/TroyLeeDesignsD4CompositeFullFaceHelmet-Qualifier-White-Blue-2022.jpg?v=1646833648&width=2048)
Troy Lee Designs D4 Composite Helmet Qualifier White Blue Size Large
![](https://ep1.pinkbike.org/p4pb17909232/p4pb17909232.jpg)
A Closer Look at Troy Lee Designs' New D4 Helmet - Pinkbike
![](https://www.ms-zone.com/cdn/shop/products/20-d4-carbon-stealth-helmet_BLACKSILVER-2_1000x_7d1781d1-fff4-4157-a3b9-e90ae099b015_grande.jpg?v=1645570578)
Troy Lee Designs D4 Carbon Mips Stealth Bicycle Helmet – Motor Sports Zone
![](https://i.ebayimg.com/images/g/Q4wAAOSwJ6hj93WB/s-l1200.jpg)
Troy Lee Designs D4 Composite Helmet; Qualifier White / Blue X-Small
![](https://www.mtb-mag.com/wp-content/uploads/2020/09/Untitled1.jpg)
Tested] Troy Lee Designs D4 Helmet
Sizes: 2XL, XXL, 2X. Color: Black. UPC: 887202330667.
![](https://i.ebayimg.com/images/g/ZyAAAOSwMpJggdOy/s-l1200.webp)
Troy Lee Designs D4 Mountain Bike Helmet, TLD Exile, Black, Gray, XXL, 2XL, SALE
![](https://i.ebayimg.com/images/g/n-cAAOSwE3djuJPW/s-l1200.jpg)
Troy Lee Designs D4 Composite Helmet - Graph Marine - 2x
![](https://blackhillsmoto.com/cdn/shop/products/tld_b22s_d4cm_shadow_glored_03.jpg?v=1672959665)
Troy Lee Designs D4 MIPS Composite Shadow Helmet – Black Hills Moto
![](https://cdn11.bigcommerce.com/s-0m9ut/images/stencil/1280x1280/products/315977/377728/9463b7d4447e5866c08deaf2be06f838f482fc47-large__90686.1675998968.jpg?c=2)
Troy Lee Designs D4 Composite MIPS Helmet Qualifier White/Blue, M
![](https://images.buyr.com/wk3UWu72NLGcJgFZcIDK1A.jpg)
Adult Helmets
![](https://fulltiltbike.com/cdn/shop/products/image_8ab2f29b-ca0b-4e5a-a1ab-6119c530a8c9_1000x.jpg?v=1650480875)
TROY LEE D4 COMPOSITE HELMET VOLT RED/BLUE
![](https://cambriabike.com/cdn/shop/products/TLD_B23D1_D4CM_REVERB_WHTBLU_02.jpg?v=1674657693&width=2048)
Troy Lee Designs D4 Composite Full Face Helmet with MIPS - Reverb - Wh - Cambria Bike
D4 reigns king atop downhill podiums and freeride events across the globe. Available in carbon and composite, details are what makes the D4 the most
![](https://troyleedesigns.com/cdn/shop/products/TLD_B23D1_D4CM_MATRIX_BLU_03_1000x.jpg?v=1672867914)
D4 Composite Helmet W/MIPS Matrix Blue
![](https://cdn.shopify.com/s/files/1/2725/8056/t/40/assets/230203_tldblog_header-1675436780280.png?v=1675436781)
Troy Lee Designs 2023 helmet overview: which helmet is right for me? – Saddleback Elite Performance Cycling
![](https://ep1.pinkbike.org/p4pb19201842/p4pb19201842.jpg)
Review: Troy Lee Designs' D4 Carbon Helmet is a Worthy Successor - Pinkbike