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Free UK standard shipping on orders over £50
The MET Trenta 3K Carbon Airframe Helmet represents the pinnacle of road cycling helmets, expertly engineered for maximum ventilation and aerodynamic efficiency. Developed alongside cycling champions like Tadej Pogačar and tested in the world’s most demanding races—including the Tour de France and Giro d’Italia Women—this helmet redefines performance on the road. Its innovative carbon wing structure eliminates traditional EPS foam, creating a seamless internal air channel that optimizes airflow from front intake to rear exhaust, ensuring cool comfort whether sprinting downhill or climbing steep gradients.
Beyond ventilation, the Trenta 3K Carbon excels in safety thanks to its advanced Linear and Rotational Safety design combined with MIPS Air technology. This combination delivers a 40% improvement in impact protection according to the Virginia Tech test, one of the most respected safety standards globally. The helmet’s compact profile and fully wrapped polycarbonate shell provide a secure yet lightweight fit, while integrated sunglasses ports and a Safe-T Orbital adjustment system add practical features for the discerning cyclist.
Designed with 24 strategically placed vents and optimized internal channels, this helmet increases airflow by 16% compared to its predecessor, ensuring superior breathability without compromising aerodynamic performance. The Air Lite straps with adjustable dividers and internal shape provide a comfortable, secure fit for every ride. Available in sizes S, M, and L, the MET Trenta 3K Carbon is tailored to meet the demands of both professional racers and enthusiastic cyclists seeking top-tier equipment.
How does the 3K Airframe technology improve performance?
The 3K Airframe integrates a carbon wing structure that replaces traditional foam, creating an uninterrupted internal air channel. This design enhances airflow for superior ventilation and maintains aerodynamic efficiency, helping you stay cool and fast.
What makes the safety rating of this helmet stand out?
The MET Trenta 3K Carbon achieved a 5-star rating in the Virginia Tech test, one of the world’s most recognized independent safety protocols. Its combination of MIPS Air and innovative construction offers 40% better protection against impacts, making it one of the safest helmets available.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


































