Top Stack Height 8mm

EC - External Cup

Not compatible with Deore triple (3x) cranksets

dusty or wet conditions

Don't wipe it off

TLD D3 Fiberlite Helmet - S - Matte Mono Black PDP|Option Top Stack Height 8mmThe Troy Lee Designs D3 Fiberlite Helmet is a more budget friendly fiberglass option compared to the carbon version. But don't let the price point fool you, this helmet takes a lot of the features and technology from it's more expensive sibling. Keeping your head nice and cool is taken care of with 20 intake ports and 6 vents. The padded liner is removable so keeping this helmet fresh will be easy as and TLD have fitted some specially sized contoured