evo.com | Smith Bike Helmets > The Smith Payroll MIPS Aleck Crash Sensor Bike Helmet elevates rider safety with integrated crash detection technology that automatically alerts contacts through the Aleck app if you take a serious spill on the trail. Built for speed enthusiasts with E-bike certification testing at higher impact velocities, this enduro-ready lid combines zonal KOROYD(R) protection with MIPS(R) impact technology in a lightweight package that won't weigh you down. Trail riders will appreciate thoughtful details like the VaporFit(TM) adjustment system, efficient ventilation channels that prevent goggle fogging, and a three-position visor that accommodates your preferred eyewear. Lightweight In-Mold Construction VaporFit(TM) Dial Adjustment System Offers 270-degree fit adjustment with the turn of a dial. MIPS System Equipped In a helmet with the MIPS Brain Protection System, the shell and liner are separated by a low friction layer that allows the helmet to slide relative to the head in and angled impact. AirEvac(TM) Ventilation System Integrates with Smith goggles and eyewear for fog-free lenses Iconic+(R) Antimicrobial Lining Offers sweat-activated odor control | Smith Payroll MIPS Aleck Crash Sensor Bike Helmet 2026 - X-Large in Black