AFX FX-17 Helmet - Force - Frost Gray/Fuchsia - Medium 0110-5210 Lincoln The included 2-way passive crossover

The included 2-way passive crossover will get your frequency just right for the best sound available that has been perfectly matched for these combined speakers

DS18 designed the NXL-X900

14-0973 Valve Stem Seal Set Reference #'s (if available): Can't find what you need

The 6XL600-4 seamlessly integrates into most vehicles due to its compact design

Easily mountable

AFX FX-17 Helmet - Force - Frost Gray/Fuchsia - Medium 0110-5210 Lincoln The included 2-way passive crossoverAerodynamic shell design constructed using advanced poly alloy plastic for light weight and strength Hypo allergenic and antimicrobial nylon liner and cheek pads are removable and washable Ear cavity space for speakers Removable screw on vented visor Fully molded eye port trim with incorporated goggle grabber Eleven points of ventilation with chin, side, rear and forehead vents Clear coat finish to protect paint and graphics Square D ring style