Troy Lee Designs D4 Composite Helmet Ghostwing Mons Royale Canada 2025 Sight A2 160 MX

2025 Sight A2 160 MX

Maximum coverage open face mountain bike helmet

making it a great choice for riders who take on increasingly aggressive and challenging terrain

and there's no better way to do so than with our Hotwalk

42mm valve stem = 35 grams

Troy Lee Designs D4 Composite Helmet Ghostwing Mons Royale Canada 2025 Sight A2 160 MXAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X static