Giro Register II Mountain Bike Helmet - Grey

The Giro Register II Mountain Bike Helmet takes the standard set by the original Register to the n...

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Product Information

Full details

The Giro Register II Mountain Bike Helmet is designed for recreational mountain bikers and commuters who prioritize both safety and comfort in a lightweight package. Its standout feature is the advanced ventilation system adapted from professional road helmets, which keeps the rider cool during intense efforts. While it offers premium features, users should note that the removable visor, while functional, may not provide the same level of coverage as dedicated full-face or enduro-specific mountain bike helmets.

All features

Age Groupadult
ColourGrey
GenderUnisex
Model Part NumberGIH7157754
BrandGiro

Extended Product Information

FAQs

Does this helmet include Mips?

Yes, the Register II includes the Mips safety system to help reduce rotational forces during impact.

Can I remove the visor?

Yes, the visor is removable for a more streamlined look or better visibility when riding in a more aggressive road-style position.

Is the helmet ponytail-friendly?

Yes, the Roc Loc Sport fit system is designed to accommodate ponytails and long hair.

How often should I replace the helmet?

Giro recommends replacing any helmet that has been involved in an impact or every three to five years due to material wear.

What does the 7cm adjustment range mean?

It refers to the amount of horizontal space the Roc Loc Sport system can expand or contract to fit different head sizes.

Are the reflective decals replaceable?

The decals are intended as permanent safety features; it is not recommended to remove them as they provide essential visibility.

Troubleshooting

Helmet feels loose even when tightened

Ensure the Roc Loc cradle is positioned correctly at the base of your skull rather than sitting too high.

Straps are twisting or digging into skin

Adjust the tri-glide sliders located under the ears to balance the length of the front and back straps.

Excessive sweat buildup on padding

Remove the pads and wash them with mild detergent, or consider wearing a thin moisture-wicking cycling cap underneath.

Pros and Cons

Pros

  • Lightweight design prevents neck fatigue during long rides
  • Excellent cooling power thanks to high-flow ventilation
  • Ponytail-compatible fit system
  • Secure one-handed adjustment mechanism
  • Reflective elements for safety

Cons

  • Visor offers limited sun protection compared to trail-specific models
  • Not intended for extreme downhill or high-speed enduro racing
  • Padding may retain moisture during heavy perspiration

Setup, Compatibility & Care

To set up your helmet, loosen the Roc Loc Sport dial completely, place the helmet level on your head, and tighten the dial until it feels secure but comfortable. Ensure the straps form a 'V' shape just below your ears, and adjust the chin buckle so that you can fit no more than two fingers between the strap and your jaw. Compatibility is broad due to the adjustable nature of the fit system, fitting most standard adult head shapes. For care, clean the outer shell using a soft cloth with mild soap and water. Remove the interior padding periodically to hand wash in cool water and allow it to air dry fully. Avoid exposing the helmet to extreme heat, such as inside a car on a hot day, as this can damage the structural foam.

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