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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Fold-up lid/cover frame made of solid
Manufacture from aluminum
Helmets certified in accordance with the standard EN 1078 CE CPSC
Product developed and used at the MX and Enduro World Championships
as delivered from the factory
TWIN AIR Pre-Oiled Decibel Reducer Air Filter - 150233DRX Caps & Beanies Fold-up lid/cover frame made ofTwin Air brings race proven technology to consumers with the new Decibel Reducer (DR) foam . With the FIM implementing the 109dB noise limit, manufacturers have had to adapt their engines to comply. Twin Air also explored solutions to meet this benchmark while maintaining performance. During the 2025 MXGP season, noise control was already set to 109dB. Working closely with factory teams, we developed a solution to reduce intake side noise. Leveraging
