Troy Lee Designs D4 Composite Helmet w/Mips - Frames Size:LG Low profile shape allows for

Low profile shape allows for snag-free maneuvering on the saddle

no matter what rock gardens it has on the menu

slack headtube angle

AH Head features Schrader and Presta compatibility

Wide range and close step 12-speed drivetrain

Troy Lee Designs D4 Composite Helmet w/Mips - Frames Size:LG Low profile shape allows forAlways 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