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Men's Size Guide
This is a standardised guide to give you an idea of what size you will need, however some brands may vary from these conversions.
Usually dispatched within 24 hours
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The Synthe™ is the pinnacle of road helmet design, combining the performance gains of an aerodynamic profile and light weight with great cooling power to enhance rider comfort and efficiency in road rides and races. The compact form slips through the air with ease across multiple yaw and head angles, and offers greater cooling power than the Aeon.™ Key features include the Roc Loc® Air fit system with 2-way fit tuning and Aero Mesh Panels with a dedicated port for securely docking sunglasses as you ride. Synthe MIPS models are available with the Multi-Directional Impact Protection System. We believe MIPS can redirect energy and provide more protection in certain impacts.
All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro’s MIPS-equipped helmets is to reduce rotational forces. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider’s brain in certain impacts. Learn more about MIPS in the video above.
Roc Loc® Air Fit System
This revolutionary fit system adds a new dimension to helmet performance by enhancing cooling, as well as fit comfort and stability. Using a patented design that suspends the helmet just slightly off the top of the skull, Roc Loc® Air allows cool airflow to pass directly over your head, further enhancing the performance of vents and internal channelling that exhaust heat out of the helmet. Fit and feel adjustments mimic the Roc Loc® 5, allowing you to easily custom tune fit tension and fore-aft tilt of the helmet in seconds using a single hand.
Please check the stock availability notice on your item when placing your order. This item is: In stock.
Express Delivery Available If ordered before 9pm, delivered by courier next working day. Available on orders placed before 9pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.
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Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.
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