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Troy Lee Designs A1 MIPS Bike Helmet

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Troy Lee Designs A1 MIPS Bike Helmet

sku# 115521
Troy Lee Designs - A1 MIPS Bike Helmet
Model Info
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Product Info

A1 might normally remind you of steak, but in this instance we are talking all-mountain bike helmets. The Troy Lee Designs A1 MIPS Bike Helmet is built for balance. It's polycarbonate shell with EPS core bridges the gap between coverage and comfort for added protection when the trail gets steep and the triple fit support system keep this bucket locked in place, eyewear or not. From dirt jumps to the mountain top, the Troy Lee Designs A1 MIPS Bike Helmet is built to ride.

Product Details


Polycarbonate Shell with Aerospace Filament Reinforced Shell Liner


CoverageLarge surface area of coverage providing extra protection in temple and lower cranium areas.

Rear StabilizerMulti-purpose cam-lock adjustable stabilizer with +/- 20 mm vertical and +/- 60 mm horizontal movement with 3-position front and rear locations for a custom fit.

Customized Fit3 position adjustable stabilizer baskets.


VentilationDeep air passages for direct air flow.

8 Pressurizing Intake Passages

8 Rear Vacuum Vortex Outlets

Additional Features

MIPS (Multi-Directional Impact Protection System)Rotational slip plane protection.

LinerExtra plush, removable 1 piece comfort lining with antimicrobial nanowick Coolmax material™.

VisorFull spectrum adjustable visor with +/- 1"/25 mm range of motion.

Anodized Aluminum Hardware

TLD Helmet Sock and Accessory Kit Included

Safety Standards

CertificationsCPSC 1203, CE EN 1078-212, AS/NZ 2063-2008


  • Material: EPS, Polycarbonate
  • Biking Type: Mountain More 
  • Helmet Style: Half Shell
  • Helmet Venting: Fixed Venting
  • Audio: Not Included
  • Visor: Yes
  • Removable Ear Pads: No
  • Adjustable Fit: Yes
  • MIPS: Yes
  • Warranty: 3 Years More 

Other Notes

Troy Lee Designs products can only be shipped within the United States and Canada



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