
Giro Tremor Kids Helmet / Child Size
Giro Tremor Kids Helmet / Child Size
- Select size and colour for availability
The Details
The Giro Tremor kids helmet is not only stylish but super functional with an easy to adjust fit system and 18 vents to provide maximum ventilation to prevent little ones from overheating whilst enjoying the freedom a bicycle provides.
The Tremor kids helmet uses some of the best tech from the adult Tremor helmet like an In-Mold construction with a full hardbody shell, meaning Giro has created a super safe helmet that is durable and lightweight. Add to that their acclaimed Roc Loc Sport fit system and Giro have created a helmet for youngsters with maximum versatility, comfort and adjustability for riding safely.
- Child unisize 47-54cm
- In-Mold polycarbonate shell with EPS liner
- Roc Loc Sport fit system
Our Verdict
With a brand new, smaller size, the Tremor Child helmet keeps kids smiling whilst out enjoying cycling. This helmet is sure to keep your little one safe.
Industry Reviews

The Giro Tremor Youth is a phenomenal option for your child’s next helmet. With one of the highest quality and easiest to use adjustment systems available in a kid’s helmet, great ventilation and a durable and lightweight construction, Giro has hit a home run with these helmets.
Key Specifications
- Child unisize 47-54cm
- In-Mold polycarbonate shell with EPS liner
- Roc Loc Sport fit system
- Reflective details
- Removable visor
- Quick-dry padding
Sizing Information
Giro Kids Helmet Size Guide:
These size charts and conversions are meant to serve as a guide. We recommend you try-on before riding to ensure full comfort and performance.
Head Circumference | Recommended Youth Size | |||||||||||||||||
45 - 49cm | XS (Scamp Model) | |||||||||||||||||
49 - 53cm | S (Scamp Model) | |||||||||||||||||
47 - 51cm | XS (Dime Model) | |||||||||||||||||
51 - 55cm | S (Dime Model) | |||||||||||||||||
47 - 54cm | Universal Child | |||||||||||||||||
50 - 57cm | Universal Youth (Ages 5+) |
Delivery
Parts, accessories and clothing delivery - FREE over £30
Delivery for parts, accessories and clothing is free over £30 and £2.99 below that. We have a selection of premium delivery services available, including next day, AM, Saturday, timed delivery and local pickup services. Mainland UK only, some remote and off-shore areas or areas of Scotland may incur a surcharge. Delivery options and lead time estimates will be provided in checkout.
Click & Collect
Our Click & Collect service offers all the benefits of shopping online, combined with an award-winning retail experience in one of our stores. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you - our stores are open 7 days a week. Best of all, the service is completely free.
Reviews
Your Questions Answered
The Giro Tremor kids helmet is not only stylish but super functional with an easy to adjust fit system and 18 vents to provide maximum ventilation to prevent little ones from overheating whilst enjoying the freedom a bicycle provides.
The Tremor kids helmet uses some of the best tech from the adult Tremor helmet like an In-Mold construction with a full hardbody shell, meaning Giro has created a super safe helmet that is durable and lightweight. Add to that their acclaimed Roc Loc Sport fit system and Giro have created a helmet for youngsters with maximum versatility, comfort and adjustability for riding safely.
- Child unisize 47-54cm
- In-Mold polycarbonate shell with EPS liner
- Roc Loc Sport fit system
- Child unisize 47-54cm
- In-Mold polycarbonate shell with EPS liner
- Roc Loc Sport fit system
- Reflective details
- Removable visor
- Quick-dry padding
With a brand new, smaller size, the Tremor Child helmet keeps kids smiling whilst out enjoying cycling. This helmet is sure to keep your little one safe.
Sizing Information
Giro Kids Helmet Size Guide:
These size charts and conversions are meant to serve as a guide. We recommend you try-on before riding to ensure full comfort and performance.
Head Circumference | Recommended Youth Size | |||||||||||||||||
45 - 49cm | XS (Scamp Model) | |||||||||||||||||
49 - 53cm | S (Scamp Model) | |||||||||||||||||
47 - 51cm | XS (Dime Model) | |||||||||||||||||
51 - 55cm | S (Dime Model) | |||||||||||||||||
47 - 54cm | Universal Child | |||||||||||||||||
50 - 57cm | Universal Youth (Ages 5+) |

The Giro Tremor Youth is a phenomenal option for your child’s next helmet. With one of the highest quality and easiest to use adjustment systems available in a kid’s helmet, great ventilation and a durable and lightweight construction, Giro has hit a home run with these helmets.
Parts, accessories and clothing delivery - FREE over £30
Delivery for parts, accessories and clothing is free over £30 and £2.99 below that. We have a selection of premium delivery services available, including next day, AM, Saturday, timed delivery and local pickup services. Mainland UK only, some remote and off-shore areas or areas of Scotland may incur a surcharge. Delivery options and lead time estimates will be provided in checkout.
Click & Collect
Our Click & Collect service offers all the benefits of shopping online, combined with an award-winning retail experience in one of our stores. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you - our stores are open 7 days a week. Best of all, the service is completely free.