100 Percent Aircraft Composite Full Face Helmet - XL - Silo YGroup_7033471008813 quiets chain noise and significantly

quiets chain noise and significantly improves life of driveline

Check out this video for some instructions on how to customise the comfort liner to suit your head

Convertibility: Cassette body is convertible between Shimano and SRAM standards

Construction: External ABS plastic hard shell with internal EPS foam

Eyewear pouch can be used for lens cleaning

100 Percent Aircraft Composite Full Face Helmet - XL - Silo YGroup_7033471008813 quiets chain noise and significantlyThe Aircraft is precision engineered with a Fiberglass Composite shell providing a very strong, yet lightweight design. 25 enhanced venting channels create the Active Cooling System; specifically designed to manage airflow and ventilate the entire helmet. Features: Lightweight Design: Featuring a Fiberglass Composite shell. Active Cooling System: Maximizes airflow with a staggering 25 ventilation ports. Antimicrobial, washable and replaceable comfort