GMAX GM-11/GM-11S Helmet Size Conversion Kit

GMAX GM-11/GM-11S Helmet Size Conversion Kit

Get a precision fit with the GMAX GM-11/GM-11S Size Conversion Kit. Designed specifically for GM-11 and GM-11S adventure helmets, this kit allows riders to convert a Small or Medium shell to an X-Small for a snug, secure, and comfortable fit.

Whether you’re fine-tuning fit for better stability at speed or reducing helmet movement on rough terrain, this factory-fit kit delivers seamless compatibility and premium comfort.

Key Features

• Size conversion: Converts GM-11/GM-11S Small or Medium helmets to X-Small.
• Complete fit set: Includes matched cheek pads and comfort liner for proper sizing.
• OEM-quality materials: Designed by GMAX for secure fit, durability, and comfort.
• Easy installation: Simple swap-in design—no special tools required.
• Enhanced comfort: Improves stability, reduces hot spots, and optimizes internal helmet feel.

Compatibility

For use with GMAX GM-11 and GMAX GM-11S helmets originally sized Small or Medium. Not a standalone helmet—this is a fitment kit.

Why Choose This Kit?

• Achieve the right fit without buying a new helmet.
• Maintain safety and performance with manufacturer-matched components.
• Ideal for riders between sizes or seeking a tighter performance fit.

Upgrade your ride comfort and control with the GMAX GM-11/GM-11S Helmet Size Conversion Kit.