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MET Trenta 3K Carbon MIPS Helmet - Black, Matte, Medium
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MET Helmets

MET Trenta 3K Carbon MIPS Helmet - Black, Matte, Medium

MPN: 3HM146US00MNO2 · UPC: 8015190277837

$399.00
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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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The new MET Trenta 3K Carbon is the most ventilated road helmet ever, developed for the toughest races and refined inside the Tube, MET's proprietary wind tunnel. Already a winner at the Tour de France and the Giro d’Italia Women, the Trenta 3K Carbon is the ultimate expression of a modern road helmet. The air has changed, and so has the standard. The helmet features the 3K Airframe, a carbon wing structure that eliminates EPS from the internal frame. The result is a continuous internal air channel, uninterrupted from the front intake to the rear exhaust, ensuring consistent airflow at both high and low speeds. The new construction achieves a 40% improvement in the Virginia Tech test — the world’s most recognized independent safety rating protocol — earning 5 stars and one of the best scores ever recorded. The Trenta 3K Carbon arrives at exactly the right moment, made for an era where racing demands more — more speed, more control, more protection.

  • In-mold polycarbonate shell with EPS liner
  • 3K Carbon Technology: a carbon cage embedded into the liner to enhance the performance of the shell
  • MIPS AIR rotational management system engineered to add protection and save weight
  • Exceptionally comfortable and secure on the head thanks to refined internal shape
  • Delivers significant gains in safety, ventilation, and fit, and has been validated in elite‑level racing and independent testing
  • 3K Airframe internal structure creates an uninterrupted front‑to‑rear air channel for consistent airflow at high and low speeds
  • 40% improvement in linear and rotational impact performance compared to the previous version, earning a Virginia Tech 5‑Star safety rating
  • 16% increase in ventilation, validated with thermal‑cell testing in the MET wind tunnel (“the Tube”)
  • 24 external vents with optimized internal channeling to enhance cooling and comfort
  • Mips Air rotational protection system for added safety with minimal weight
Rotational Protection Yes
Helmet Certifications Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older
Maximum Head Circumference 58
Gender/Age Adult
Minimum Head Circumference 56
Color Black, Matte
Size Medium
Visor Included No
Multi Impact Yes
Weight 285
Helmet Style Tri/TT
Defined Color Black

Helmet Size Guide

Size Head Circumference
S 51 – 55 cm / 20" – 21.6"
M 55 – 59 cm / 21.6" – 23.2"
L 59 – 63 cm / 23.2" – 24.8"
💡 Measure around the widest part of your head, just above your eyebrows. The helmet should sit level and not rock forward or back.
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MET Trenta 3K Carbon MIPS Helmet - Black, Matte, Medium
$399.00
Out of Stock — Call for Availability