ARAI Signet-X Helmet - Diamond Black - Medium 0101-17719 Replacement Muffler - M-AP00402C Fits almost all smartphone models

Fits almost all smartphone models

Fully compatible with BMW's side cases

Features equal-length stepped headpipes from 1-3/4" into 2" and then 2-1/8"

Universal design for use on various applications

ARAI Signet-X Helmet - Diamond Black - Medium 0101-17719 Replacement Muffler - M-AP00402C Fits almost all smartphone modelsFeatures long oval shape, created by increasing the space of the EPS liner front to back and decreasing the space side to side, designed for riders with a narrow head and a more pronounced forehead Variable Axis System (VAS) shield mechanism was developed to enhance the shape of the shell VAS latch captures and securely holds the shield closed to help prevent unexpected opening In addition to the de mist function, the larger latch allows for intuitive