GMax GM54S Modular Helmet (NIOP)

$184.95 $161.46
(You save $23.49)
  • GMax GM54S Modular Helmet
  • GMax GM54S Modular Helmet - Flat Black
  • GMax GM54S Modular Helmet - Pearl White
  • GMax GM54S Modular Helmet - Wine Red
  • GMax GM54S Modular Helmet
  • GMax GM54S Modular Helmet - Flat Black
  • GMax GM54S Modular Helmet - Pearl White
  • GMax GM54S Modular Helmet - Wine Red

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GMax GM54S Modular Helmet.


  • Condition – Not in original packing


Gmax has a unique modular helmet design with the Gmax Gm 54s modular helmet. This lid has a L.E.D. light system built into the back of the helmet. The light glows solid, blinks slowly, or blinks fast. Of course, you can keep it off as well. Gmax has one upped everyone by also selling an optional brake light kit that you can wire into the bike and have the L.E.D. on the helmet in unison with your brake lights. The 54s modular helmet has the GMAX D.E.V.S. exhaust system, side vents, SPC top vents, chin bar vents, and a removable chin curtain to give you complete control of the airflow in your helmet. The Gm 54s has also added an integrated internal sunshield to helmet to give you on the fly sun protection. The modular chin bar mechanism and inner sunshield lever makes this helmet glove friendly, smooth and functional. This helmet is ready for all types of riding. If you are thinking of a purchasing a modular helmet, the 54s is definitely worth a look.




GMAX leads the helmet industry with another innovative helmet, the 54S modular helmet with retractable sun shield, lightweight small shell design that sits down on your head and GMAX industry leading "No Bull Venting Design" all for a reasonable price!


  • New inner flip tint sun lens.
  • Inner flip shield is easily raised of lowered with a leverlocated on the exterior of the helmet.
  • Distortion free clear single lens shield.
  • New integrated multi-function red L.E.D rear light.
  • Optional rear brake light kit available.
  • One hand easy to use chin bar push to open mechanism.
  • Lightweight D.O.T approved thermo-plastic alloy shell.
  • Excellent shield sealing reduces unwanted air and noise.
  • GMAX "D.E.V.S" adjustable "dual exhaust venting system",top, side, and rear venting reduces fogging and sweating by allowing hot air to escape from the mouth area and top of head.
  • Adjustable chin vent directs air upward across the inside of theshield to help reduce or eliminate fogging.
  • Large eye port for improved range of vision.
  • Coolmax comfort liner and cheek pads move the moisture away from your body and the fabric dries quickly. The added performance keeps you dry and comfortable.
  • Removable/washable interior and adjustable cheek pads allow for more comfortable sizing.
  • Deluxe ear pockets for better fit and comfort.
  • Built in speaker pockets for communication systems.
  • Soft padded chin strap.
  • Painted shell with high quality clear coat finish.
  • Soft helmet bag included.


GMax GM54S Helmet Inner Shield Lens Removal


  1. Lower the inner shield by pushing the slider button located on the top of the helmet completely forward into the “service position”.
  2. The service position is achieved by pushing on the rearward part of the slider button and sliding it forward over and past the molded in channel that it rides in.
  3. When in the service position, the attachment arm that connect to the inner shield will be visible.
  4. Take a small, thin, round tool, and push on the attachment arm pin to disengage the arm from the inner shield.
  5. When the center attachment arm is free from the inner shield, grasp and pull straight out from the helmets eye port on each side of the inner shield to remove.

To install the outer shield: reverse the removal process.

Note: The sides of the inner shield are simply snapped into place. No tools are needed to remove or install.


GMax GM54S Helmet Outer Shield Lens Removal


  1. Raise the outer shield into the fully raised position.
  2. Locate the side ratchet plates that secure the shield to the helmet.
  3. Push down on the pin that locks the ratchet plate retaining arm into the secure position.
  4. As you push down on the pin, move the retaining arm on the ratchet plate on the open position. The shield will release from the ratchet plate when the retaining arm is in the open position.

To install the outer shield: reverse the removal process.



Helmet Size Information.We ask that you use the following information to help choose the proper size helmet. In order for a helmet to protect properly and be the most comfortable, it must be size to your head correctly.


To find the Correct size helmet for a person's head:

  1. Measure the head circumference one-inch above the eyebrows and ears
  2. Using the circumference measured, use the size chart below to find the approximate size
  3. Once you have tried on the helmet it should fell snug equally around the head. The helmet should not feel too tight or too loose at any point around head.


*** Please remember that all head shapes vary slightly and that this sizing chart is to be used as a starting guide, not an exact guide.


Metric cm Inches Letter Number
53 - 54cm 21-1/4" - 21-5/8" XS 6-3/4 - 6-7/8
55 - 56cm 22" - 22-7/16" S 7 - 7-1/8
57 - 58cm 22-13/16" - 23-1/4" M 7-1/4 - 7-3/8
59 - 60cm 23-5/8" - 24" L 7-1/2 - 7-5/8
61 - 62cm 24-3/8" - 24-13/16" XL 7-3/4 - 7-7/8
63 - 64cm 25-3/16" - 25-5/8" XXL 8 - 8-1/8
65 - 66cm 26" - 26-3/8" XXXL 8-1/4 - 8-3/8
67 - 68cm 26-1/2" - 26-5/8" XXXXL  



You may hook up your helmet light to your brake light wirelessly. In order to do this, you must purchase the LED Brake Light Kit separately. The Light Kit pairs up similar to how Bluetooth pairing works. You can purchase brake light kits for the GM54, GM67 and the OF77 helmet models.

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