Stilo ST5 CMR Kart Helmet

From £425.00

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  • Personalized order tracking
  • Over 20 years of technical experience
  • In-store appointments available


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The Stilo ST5 range of helmets pushes the standards of safety and quality further than ever before, becoming the benchmark that all other competitors strive towards. The enhancements used in the ST5 range have been utilised and adapted for the ST5 CMR; with this model being more lightweight, with a smaller shell. Stilo has implemented a new symmetrical visor which provides excellent comfort and a clearer vision, ensuring you will be able to see clearly at all times. This aerodynamic helmet features a better ventilation system than used in previous models and also uses a visor-locking clasp which is easily operated with just one hand.

The ST5 CMR is constructed using an MSF (Multi-Sandwich Fibre) shell making it extremely strong and durable, whilst also remaining ultra lightweight, with the CMR being the lightest helmet in its class. The 3mm thick visor comes installed as standard on this helmet, fully FIA compliant, reassuring the wearer they have the best levels of protection in the event of an accident. The visor is easily adjusted and can be slightly opened if required, allowing for extra airflow.

The Stilo ST5 CMR comes as standard with black interior lining, however, is available in a range of other colours at an additional cost.


  • Snell CMR 2016 Approved

Key Features:

  • Incredibly Durable & Lightweight Composite Shell
  • Ergonomic Interior Design
  • Advanced Visor Locking System
  • Excellent Ventilation system
  • Ultra-lightweight helmet


The ST5 CMR weighs 1200g (+/-30g)


Additional information






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Interior Lining Colour

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Special Offers

Offer 1: Pick your free gift!

  • Offer 1: Pick your free gift.
  • We’re giving away free gifts when you purchase any racing helmet over £400.
  • Simply add your helmet of choice to your basket, and checkout.
  • A popup will then appear, where you can pick which free gift you want to receive. It’s as easy as that!

Offer 2: Automatic free gift!

  • Offer 2: Automatic free gift.
  • We’re giving away a gift box full of goodies or a face mask with every order.
  • Simply pick which one you want on the checkout screen

Offer 3: 10% off racing suits!

  • Spend over £500.00 on any FIA racing suit and receive an instant 10% discount.
  • Simply add your suit of choice to your basket and checkout.
  • Your 10% discount will be instantly added to your product. No product code needed!

Offer 3: 5% off your first order!

  • Spend over £150.00 on checkout and receive an instant 5% discount on your first order with GSM Performance.
  • Add the code: New-GSM5 in your shopping basket and the discount will be instantly added to your product entire order.

Hygiene policy

At GSM Performance, our priority is to maintain the utmost hygiene and quality standards for the benefit of our customers. To that end, we have instituted a policy that all purchases of long johns, balaclavas, tops, and underwear are final and non-returnable. This policy is necessary due to the personal nature of these items, which are worn in close contact with the body. This protocol is intended to guarantee the health and safety of all our customers.

This policy adheres to the best industry practices and safeguards both our customers and our staff. It’s important to clarify that this policy does not affect your statutory rights as a consumer. This policy does not apply if you receive damaged or defective products. In such cases, our customer service team is available to promptly address your concerns and arrange a replacement or refund. We greatly appreciate your understanding and adherence to our hygiene policy and thank you for your continued confidence in GSM Performance. For further information please see our terms and conditions which are agreed on checkout.