Troy Lee A2 MIPS Helmet - Decoy Black

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Troy Lee A2 MIPS Helmet - Decoy Black

When the A2 launched in 2018 it instantly hit the top of our Christmas lists. Killer looks, amazing fit and adjustability, and some of the best ventilation we've seen on a trail helmet. Dual density EPS co-moulded with EPP for state-of-the-art impact energy management has been carefully shaped to provide more protection in common impact zones , and the inclusion of MIPS to protect against rotational forces make this a pretty safe place to be in the event of a crash.


Huge air intakes connected to massive exhaust ports through deep internal channels provide powerful cooling efficiency
Updated x-static® pure silver comfort liner with more material for comfort delivers high-performance odour protection and quick-dry moisture wicking
Mips brain protection system reduces rotational forces to the brain in some crash scenarios
Dual-density eps co-moulded with EPP for state-of-the-art impact energy management at low and high crash speeds as well as everything in between
16% more eps+epp in the frontal lobe and raised eps splines provide more protection in the common impact zones
Aerospace filament-reinforced polycarbonate shell
Break-away anodized aluminium visor screws
Rear stabilizer fit system with flexible, slimline arms has 3-position front and rear locations for a custom fit
Expanded field of view works with both goggles and glasses – multiple storage locations for glasses
Adjustable strap dividers for a perfect fit every time
Fit Kit
Ventilated helmet storage bag
Sticker kit
3-year warranty
350 grams ( size m/l )
Meets or exceeds: cpsc 1203, ce en 1078, as nz 2063:2008.

Size Guide

XS/SM 6-3/4 to 7 54 to 57 21.3 to 22
MD/LG 7-1/8 to 7-3/8 57 to 60 22.4 to 23.2
XL/XXL 7-1/2 to 7-7/8 60 to 63 22.6 to 24.8

Troy Lee Size Guide

Troy Lee has not provided a size guide for their range.

Delivery & Returns

Unless otherwise specified we will use a Royal Mail International Tracked Delivery service to dispatch your order. Once your order is dispatched you will receive an email with a tracking number. You are able to track your order at

European Orders

European orders are sent using Royal Mail International Tracked Delivery. These items are usually delivered within 3-7 working days of dispatch.

We have set tiers for postage prices depending on the size and weight of your order from us. Shipping costs are calculated and displayed at the checkout stage.

Bike Orders

Santa Cruz, Juliana Bicycles and other bikes & frames are shipped to most European countries free of charge. Shipping charges are calculated at checkout, so please add products to your cart to see what shipping charges will be applied to your order.

For full details of our returns policy, follow this link.