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Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey

Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey

(84 reviews)

In order to contract with HBR Outdoors you must be over 18 years of age and possess a valid credit or debit card issued by a bank acceptable to us. HBR Outdoors retains the right to refuse any request made by you. This will usually be HBR Outdoors or may in some cases be a third party. The cost of foreign products and services may fluctuate. All prices advertised are subject to such changes. All returned items must be received with a completed returns form or a copy of the original sales invoice and an accompanying note advising the reason for return and whether an exchange or refund is required. When sending items to us, please ensure you obtain a proof of postage as this may be required if the item is lost in transit back to Hike Bike and Ride.

In order to contract with HBR Outdoors you must be over 18 years of age and possess a valid credit or debit card issued by a bank acceptable to us. HBR Outdoors retains the right to refuse any request made by you. This will usually be HBR Outdoors or may in some cases be a third party. The cost of foreign products and services may fluctuate. All prices advertised are subject to such changes. All returned items must be received with a completed returns form or a copy of the original sales invoice and an accompanying note advising the reason for return and whether an exchange or refund is required. When sending items to us, please ensure you obtain a proof of postage as this may be required if the item is lost in transit back to Hike Bike and Ride.

$123.49

in 1 offers

Colour:

Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Matte Black Helmet M
Giro Radix MTB Helmet Grey M
Giro Radix MTB Helmet Grey M
Giro Radix MTB Helmet White S 7129485
Giro Radix MIPS Helmet Matt Black - L
Giro Radix Helmet Blue - S
Giro Helmet - Radix Dirt Helmet Matte Trail Green S 51-55cm Size: S 51
Giro Radix Helmet Red - M

Size:

S
M
M 55-59cm
L

Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey

$123.49

(84 reviews)

In order to contract with HBR Outdoors you must be over 18 years of age and possess a valid credit or debit card issued by a bank acceptable to us. HBR Outdoors retains the right to refuse any request made by you. This will usually be HBR Outdoors or may in some cases be a third party. The cost of foreign products and services may fluctuate. All prices advertised are subject to such changes. All returned items must be received with a completed returns form or a copy of the original sales invoice and an accompanying note advising the reason for return and whether an exchange or refund is required. When sending items to us, please ensure you obtain a proof of postage as this may be required if the item is lost in transit back to Hike Bike and Ride.

In order to contract with HBR Outdoors you must be over 18 years of age and possess a valid credit or debit card issued by a bank acceptable to us. HBR Outdoors retains the right to refuse any request made by you. This will usually be HBR Outdoors or may in some cases be a third party. The cost of foreign products and services may fluctuate. All prices advertised are subject to such changes. All returned items must be received with a completed returns form or a copy of the original sales invoice and an accompanying note advising the reason for return and whether an exchange or refund is required. When sending items to us, please ensure you obtain a proof of postage as this may be required if the item is lost in transit back to Hike Bike and Ride.

Colour:
Giro Radix Dirt Helmet S - 51-55 cm / Portaro Grey
Giro Radix Matte Black Helmet M
Giro Radix MTB Helmet Grey M
Giro Radix MTB Helmet Grey M
Giro Radix MTB Helmet White S 7129485
Giro Radix MIPS Helmet Matt Black - L
Giro Radix Helmet Blue - S
Giro Helmet - Radix Dirt Helmet Matte Trail Green S 51-55cm Size: S 51
Giro Radix Helmet Red - M

Size

S 51-55cm
​

Price comparison

Last updated at 18/07/2025 20:47:25

Bikeinn.com

$123.49

+ $26.00 delivery

Go to store


cashrewards

4.2% cashback

See 1 more history offers

Rarewaves

$145.86

available 9 months ago

Low stock

Price history

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Price history

​
​

Reviews

Extremely light and durable
22 March 2021
Andrew K.

originally posted on tredz.co.uk

Giro quality
18 July 2023
Ekaterina

originally posted on bikeinn.com

Good fit!
17 June 2020

originally posted on tredz.co.uk

Specification

Helmet TypeMTB
Most Suitable ForCycling
OccasionActivewear
Performance/ActivityCycling
SeasonAll Seasons, Autumn, Winter, Spring, Summer

Price comparison

Updated 1 day ago
Bikeinn.com

$123.49

+$26.00 delivery

cashrewards

4.2% cashback

See 1 more history offers

Rarewaves

$145.86

Low Stock

Price history

​
​

Price history

​
​

Reviews

Extremely light and durable
22 March 2021
Andrew K.
originally posted on tredz.co.uk
Giro quality
18 July 2023
Ekaterina
originally posted on bikeinn.com
Good fit!
17 June 2020
originally posted on tredz.co.uk
Good fit and comfortable
22 July 2020
Paul F
originally posted on sigmasports.com
Great helmet
5 August 2020
Andy
originally posted on sigmasports.com
Light & comfortable.
18 July 2020
Noah’s
originally posted on bikeinn.com
Nice lightweight helmet
18 August 2022
nimnyp
originally posted on sigmasports.com
Radix hypnosis
25 July 2023
R M.
originally posted on biketart.com
Radix MIPS MTB Helmet
23 December 2021
Pete68
originally posted on sigmasports.com
Sleek, Sizes and Price!
12 November 2020
Tembe
originally posted on sigmasports.com

Specification

Helmet TypeMTB
Most Suitable ForCycling
OccasionActivewear
Performance/ActivityCycling
SeasonAll Seasons, Autumn, Winter, Spring, Summer