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Giro Source MIPS Helmet

Giro Source MIPS Helmet
  • Color: Matte Black Fade
  • Color: Matte Chalk
  • Color: Matte Portaro Grey
  • Color: Matte Harbor Blue
  • Color: Matte Metallic Black/Ano Lime
  • Color: Matte Trim Blue
  • Color: Matte Trim Red
  • Color: Matte Warm Black
  • Color: Matte Trail Green
$65.00 - $130.00
Please select options


The Source MIPS helmet combines advanced performance and protection in a rugged, trail-ready design. Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 fit system with Integrated MIPS brain protection, plus a moto-style adjustable screw-in visor and full lower Hardbody durability, you get a helmet that's capably equipped for fun and adventure.

- Integrated MIPS (Multi-Directional Impact Protection System)—allows you to customize fit/feel for great stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact

- In-Mold polycarbonate shell and EPS liner
- Polycarbonate Hardbody lower shell

- Adjustable moto-style screw-in visor

Interior/liner type:
- Coolfit anti-microbial padding

Ventilation type:
- 16 Wind Tunnel Vents with internal channeling

Fit system:
- Roc Loc 5

Impact liner type:
- EPS foam liner

Product weight:
- 340g (size Medium)

Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older


Adult Super Fit SizeCircumference
Small 51 - 55 cm
Medium 55 - 59 cm
Large 59 - 63 cm
X-Large 61 - 65 cm

Note: We recommend you try helmets on before buying. Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your forehead without hindering your vision. Once you’ve got the right size, you can adjust the fit.

Part Numbers

Option UPC MPN Store SKU
Matte Black Fade / Small 768686377297 7129434 GIR58743445M
Matte Black Fade / Medium 768686377303 7129435 GIR58926608M
Matte Black Fade / Large 768686377310 7129436 GIR58480363M
Matte Black Fade / X-Large 768686377327 7129437 GIR59292424M
Matte Chalk / Medium 768686377341 7129447 GIR54739798M
Matte Chalk / Large 768686377358 7129448 GIR54777350M
Matte Portaro Grey / Medium 768686377372 7129456 GIR60384682M
Matte Portaro Grey / Large 768686377389 7129457 GIR60763058M
Matte Harbor Blue / Medium 768686476846 7140222 GRS24373386S
Matte Trim Blue / Medium 768686411878 7133703 GIR57493481M
Matte Harbor Blue / Large 768686476853 7140223 GRS24946658S
Matte Trim Blue / Large 768686411885 7133704 GIR57909064M
Matte Metallic Black/Ano Lime / Medium 768686476785 7140214 GRS24481828S
Matte Metallic Black/Ano Lime / Large 768686476792 7140215 GRS24656555S
Matte Trim Red / Medium 768686377402 7129465 GIR56278138M
Matte Trim Red / Large 768686377419 7129466 GIR56488317M
Matte Warm Black / Medium 768686377433 7129474 GIR58683472M
Matte Trail Green / Large 768686476822 7140219 GRS24733859S