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.
in 3 offers
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.
Size
Last updated at 27/10/2025 10:20:13
D4 Composite Helmet Stealth Gray S
Free delivery between 2–5 Nov
Troy Lee DesignsD4 Composite Helmet with Mips STEALTH GRAY Bmx Mountain Bike Downhill
Free delivery between 2–5 Nov
See 12 historical offers
Troy Lee Designs D4 Composite MIPS Helmet Matrix Blue New 2023
Delivery between 28–31 Oct $30.56
Troy Lee Designs D4 Composite Full Face Helmet for DH, MTB & BMX
Delivery between 24–28 Oct $15.52
TLD 2023 D4 Composite MIPS Matrix Blue Helmet
Free delivery between 15–25 Oct
Troy Lee Designs - 21 D4 AS COMPOSITE HELMET XSM / SML / STEALTH GREY
Free delivery between 15–20 Oct
Troy Lee Designs D4 Composite Helmet - Stealth Grey - XLarge - XXLarge
30-day returns
TLD 23 D4 AS Composite MIPS Helmet Grey | Shop at LUXBMX Grey / XS-S
Delivery $11.99
Troy Lee Designs D4 Composite Mips MTB Helmet Stealth Gray - Size XL/XXL | Rhythm Snowsports
Delivery $10
Troy Lee Designs - D4 Composite Matrix MIPS Helmet (MTB) - Blue XS
Delivery $54.38
Troy Lee Design D4 Composite MIPS Bicycle Helmet - Stealth Gray / XL
D4 Composite Helmet W/Mips Stealth Gray
Delivery between 13–21 Oct $219.05
| 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 |
Troy Lee Designs D4 Composite Stealth Helmet Grey
Delivery $76.24
D4 Composite Helmet Stealth Gray S
Free delivery between 2–5 Nov
Troy Lee DesignsD4 Composite Helmet with Mips STEALTH GRAY Bmx Mountain Bike Downhill
Free delivery between 2–5 Nov
See 12 historical offers
Troy Lee Designs D4 Composite MIPS Helmet Matrix Blue New 2023
Delivery between 28–31 Oct $30.56
Troy Lee D4 Composite Race Helmet - Stealth Grey Medium
Delivery $72.56
Troy Lee Designs D4 Composite Full Face Helmet for DH, MTB & BMX
Delivery between 24–28 Oct $15.52
TLD 2023 D4 Composite MIPS Matrix Blue Helmet
Free delivery between 15–25 Oct
Troy Lee Designs - 21 D4 AS COMPOSITE HELMET XSM / SML / STEALTH GREY
Free delivery between 15–20 Oct
Troy Lee Designs D4 Composite Helmet - Stealth Grey - XLarge - XXLarge
30-day returns
TLD 23 D4 AS Composite MIPS Helmet Grey | Shop at LUXBMX Grey / XS-S
Delivery $11.99
Troy Lee Designs D4 Composite Mips MTB Helmet Stealth Gray - Size XL/XXL | Rhythm Snowsports
Delivery $10
Troy Lee Designs - D4 Composite Matrix MIPS Helmet (MTB) - Blue XS
Delivery $54.38
Troy Lee Design D4 Composite MIPS Bicycle Helmet - Stealth Gray / XL
D4 Composite Helmet W/Mips Stealth Gray
Delivery between 13–21 Oct $219.05
| 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 |
