MET Trenta 3K Carbon Airframe Road Cycling Helmet UCI Ventilated Bike Ride Cycle

The new MET Trenta 3K Carbon is the most ventilated road helmet ever, developed for the toughest races and refined inside The Tube, our proprietary wind tunnel. Already a winner at the Tour de France and the Giro d’Italia Women and UCI World Championships, the Trenta 3K Carbon is the ultimate expression of a modern road helmet. The MET Trenta 3K Carbon is developed in direct collaboration with Tadej Pogačar, UAE Team Emirates, and UAE Team ADQ. Tested by the best and worn in the world’s most prestigious races, the air has changed and so has the standard.


Featuring a 3K Airframe, this is a carbon wing structure that eliminates EPS from the internal frame of the helmet, resulting in a continuous internal air channel, uninterrupted from the front intake to the rear exhaust. This ensures consistent airflow at both high speeds when descending and at lower speeds on the flat or when climbing. 


Linear and Rotational Safety: the new construction combined with MIPS Air achieves a 40% improvement in the Virginia Tech test — the world’s most recognised independent safety rating protocol earning 5 stars and one of the best scores ever recorded.


Ventilation: With a 16% improvement in airflow compared to the previous generation, the new Trenta 3K Carbon sets a new benchmark in ventilation, aerodynamic performance, and comfort.


Product Specification:



  • 3K Airframe: integrated carbon wing structure for superior performance with uncompromised ventilation and protection

  • Virginia Tech 5 Star: ranked among the top 5 in the most recognised safety test

  • Mips Air®: ultra-lightweight rotational system for advanced protection

  • 24 vents with optimized internal channelling

  • Integrated sunglasses ports

  • Reduced head contact for maximum ventilation

  • Compact volume and fully wrapped polycarbonate shell

  • Optimised fit: comfortable and secure internal shape

  • Safe-T Orbital system: 360°, vertical, and occipital adjustment

  • Air Lite straps with adjustable dividers

  • 16% more airflow than the previous generation.

  • Weight: 260g in size M

  • Size: S:52-56, M:56-58, L:58-61cm

Manufacturer Colour: UCI Ltd
Primary Colour: White
Gender: Unisex,Mens,Womens
Sport: Cycling
Type: Road
Season: Summer 2026

Sizing

As a UK based company, all of our products are listed from the UK size.
For clothing not usually sold in traditional sizes (S,M,L), sizes are displayed based on the standard UK conversion as follows:

XXS - 6 | XS - 8 | S - 10 | M - 12 | L - 14 | XL - 16 | 2XL - 18 | 3XL - 20 | 4XL - 22

We have a hassle free returns process if you have any issues with sizing.
If you view our listing in another ebay marketplace/region you will see size based on UK Size.

Delivery

We aim to dispatch all orders on the same day the order is placed Monday to Saturday.
Free Delivery will usually deliver within 2-3 days to a UK Mainland address, however it can take upto 14 working days to arrive.
We use a range of services provided by DPD, DHL, EVRi and Royal Mail - our system will determine which offers the best service when processing your order.
We also offer a next day delivery service in the checkout, other services are available on request.
During busy periods orders may take longer to be dispatched If your order is urgent or you have any concerns please contact us.

Returns

Shop with confidence - If any of our items are unsuitable you can return them for a refund or exchange within 60 days.

*Products must be returned unworn, unused, undamaged and in original packaging with all tags.
Some products cannot be returned for hygienic reasons once they have been removed from their packaging.
Returns postage is the responsibility of the customer, to be able to offer the most competitive prices we cannot also offer free returns concessions.

Contact Us

To message our customer service team any time click here

We do our best to respond to all messages as quickly as possible, usually within 24 hours though it can take longer at peak times.
If your enquiry is urgent please call us directly (contact information available under buisness seller information).

About Us

Established in 1991, Start Fitness has run up years of experience selling specialist fitness products at affordable prices. From running shoes to GPS watches we’re constantly striving to offer you the best value possible. While we promise never to be undersold, our overriding goal is to deliver the best service we can, both in-store and online.

Founded by runners, and staffed almost entirely by fitness enthusiasts, Start Fitness prides itself on being different from your average sports retailer. Not only do we offer peerless customer service and expert knowledge, we also boast long-standing ties with amateur and professional athletic associations up and down the country, including the Northern Athletics League, the North Eastern Harrier League and the Metropolitan Cross Country League. We take pride in supporting grassroots sport whenever we can and are proud to support a number of up and coming athletes.

Real fitness starts with the right equipment, and at Start Fitness we’re thoroughly committed to kitting you out with everything you need to maximise performance and achieve your training goals. We genuinely believe that every athlete, from novice to pro, should have easy access to expert advice and the best equipment possible, and nothing makes us happier than helping you chase down records, smash PB’s, and achieve your fitness goals.

Over the course of two decades we’ve also worked tirelessly to cultivate valuable relationships with some of the world’s leading sportswear manufacturers. As a result, Start Fitness’ online store offers the finest selection of fitness products anywhere on the web, while our 30,000 square-foot megastore stocks more than 8000 items from some of the biggest names in sport. We also offer an extensive range of training aids and fitness accessories so every athlete can go that little bit further, and train that little bit harder.

Start Fitness is now one of the largest fitness retailers in the UK. Our great choice of brands, specialist knowledge, combined with high standards of customer service and great value really sets us apart from our competitors.