Troy Lee Designs knew it wasn't easy to improve upon the class-leading design and function of the D3 helmet, but they made it happen. Afterpay, Zipmoney and Zippay all available.
Troy Lee Designs knew it wasn't easy to improve upon the class-leading design and function of the D3 helmet, but they made it happen. Afterpay, Zipmoney and Zippay all available.
Troy Lee Designs knew it wasn't easy to improve upon the class-leading design and function of the D3 helmet, but they made it happen. Afterpay, Zipmoney and Zippay all available.
Troy Lee Designs knew it wasn't easy to improve upon the class-leading design and function of the D3 helmet, but they made it happen. Afterpay, Zipmoney and Zippay all available.
Last updated at 05/12/2026 10:51:20
D4 Composite Mips MTB Helmet Stealth Gray / XL/XXL
Free delivery
Troy Lee Designs - 21 D4 AS COMPOSITE HELMET XLG / 2XL / STEALTH GREY
Free delivery between 15–25 May
| Rotational System None | Adjustable Visor YES |
| Impact Absorbing Liner EPS | Fit System Retention One Size |
| Emergency Removal Cheek Pads NO | Weight 1050g |
| Buckle D Ring | Screws Smart Shear w Ano Alum Washer |
| Comfort Padding Ionic | Goggle Stowage NO |
D4 Composite Mips MTB Helmet Stealth Gray / XL/XXL
Free delivery
Troy Lee Designs - 21 D4 AS COMPOSITE HELMET XLG / 2XL / STEALTH GREY
Free delivery between 15–25 May
| Rotational System None | Adjustable Visor YES |
| Impact Absorbing Liner EPS | Fit System Retention One Size |
| Emergency Removal Cheek Pads NO | Weight 1050g |
| Buckle D Ring | Screws Smart Shear w Ano Alum Washer |
| Comfort Padding Ionic | Goggle Stowage NO |
