ALPINESTARS Supertech M10 Helmet - Flood - MIPS® - Black/Dark Gray - Medium 8301023-1310-M Replacement Kickstand Spring "The EVR or Exhaust Valve

"The EVR or Exhaust Valve Type R is and electronically controlled valve that improves drivability at small throttle and low RPM ranges where it matters most to the rider

For "Competition" use only

Alternate routing of the exhaust places it on the right side of the machine (the standard version goes under the bike)

Adds custom fit and appearance Made of chromed steel and provides a precision fit Made in the U

Drystar performance membrane construction for guaranteed waterproof coverage and sensitivity when operating the bike's controls

ALPINESTARS Supertech M10 Helmet - Flood - MIPS® - Black/Dark Gray - Medium 8301023-1310-M Replacement Kickstand Spring "The EVR or Exhaust ValveThe S M10's design offers a smooth, attractive, aerodynamic profile which is streamlined and free of any external channels and features that might act as a load point in an impact or compromise the overall integrity of the helmet's construction Surface curvature promotes reduced friction on impact, allowing deflection and transfer of energy to protect the rider's head from direct force to the skull and referred to the neck and spinal column The S M10