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Troy Lee Designs D4 Composite MIPS Helmet Frames
- Fast delivery: The shipping process begins immediately after payment is received to minimize waiting times.
- Reliable shipping partner : Collaboration with GO! Logistics for safe and fast delivery.
- Complete pre-assembly : Your bike will be delivered 95% pre-assembled. Only simple tools are required to put the finishing touches on the bike.
📦 Fast & reliable delivery: As soon as we receive your order, we will do everything in our power to get your small parts and accessories on their way as quickly as possible.
⭐ Expertise that convinces: The trust and satisfaction of over 125,000+ customers reinforce our competence in advising on and selecting bicycle equipment.
SHIPPING COSTS OVERVIEW
Germany
Click & Collect in the store | 0.00 € |
small parts (DHL standard package) | 4.95 € (free from 99 €) |
bicycles (freight forwarding) | 49.90 € (FREE) |
Bicycle Express Shipping (Freight Forwarding) | 99.00 € |
Cargo bicycles (freight forwarding) | 199.00 € |
Austria
small parts (DHL, DPD) | 7.90 € |
Bicycles (Freight forwarding) | 59.90 € |
Switzerland
Bicycles (Freight forwarding) | 199.90 € |
other EU countries
small parts (DHL, DPD) | from 7.90 € |
Bicycles (Freight forwarding) | from 49.90 € to 229.90 € |
Maximum flexibility : Enjoy the freedom to test products for 30 days and return them without any problem if you don't like them or don't fit.
more information about the return policy
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Size Chart
Height | Recommended Size |
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Find Your Perfect Size

UPGRADES & MATCHING ACCESSORIES
Troy Lee Designs D4 Composite MIPS Helmet Frames
Always evolving. Designed with a shell construction and aerospace-grade materials, the D4 Composite helmet weighs just 1050 grams without sacrificing strength. The Mips® C2 protection system provides additional safety in the event of a crash. For comfort, the D4 Composite directs cooling air through a front air intake system that flows through the polymer mid-panel and Power Grid side panels to keep your head cooler while riding. Antimicrobial and odor-inhibiting X-static® and XT2® padding maintain a comfortable interior.
- Mips® C2 rotational impact protection system
- 20 high-flow inlet/outlet ports for maximum ventilation
- Additional EPS and new shell shape for improved impact protection
- Full size adjustment for greater choice of fit
- Strategically placed internal chin bar shock absorbers for comfort and durability
- Quick-detachable and contoured 3D cheek pads for emergency helmet removal
- Custom-designed internal cavities for headphones
- Lightweight and sturdy eyelets on the chin guard
- Includes TLD helmet sock with drawstring
- CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
Material composition:
- Outer shell: 80% glass fiber reinforced plastic (GRP)
- 10% aramid (Kevlar®)
- 10% carbon fiber reinforced plastic (CFRP)
- Inner shell: 100% expanded polystyrene (EPS)
- Lining: 100% Polyester (Headliner) // 75% Polyurethane
- 25% polyester (cheek pads)
- Visor: 100% polypropylene
- Screws: 100% polypropylene
- Double D-ring closure: 100% stainless steel
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Information on product safety
Troy Lee Designs
155 E Rincon St
Corona CA 92879
customerservice@troyleedesigns.com
https://www.troyleedesigns.com
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