FXR Helium Prime Helmet YCRF_e-bikes and is drilled for optimum

and is drilled for optimum performance and heat dispersion

Main zipper features wind and rain tunnel with Velcro closure

and baddest helmet light of them all

All-new universal powerful clamp

FXR Helium Prime Helmet YCRF_e-bikes and is drilled for optimumFEATURES Super Lite composite fiber shell constructed from Carbon fiber, Kevlar, and aerospace grade fiberglass 2 shell sizes for optimum fit, comfort, and safety Glove friendly, lightweight, 3 point, break away screws Adjustable ultra hi flow shape reduces drag & protects from snow & roost Quick Release, easy adjust buckle Intrusion resistant rear diffuser transfers impact load to compatible neck braces Dual density EPS safety core Meets and exceeds