The progressive design of the Spark 2 is made for going outside, riding a new lap or finding a great single trail right nearby. The helmet shell equipped with large vents and internal Sweat Guide keep the head cool, while the Ergo Fit adjustment system provides secure comfort. The adjustable visor blocks direct sunlight and also leaves enough room for goggles. No matter the adventure, the Spark 2 is an all-around helmet that's always ready to tackle the next trail.Ergo FitAfter a thorough redesign, the ErgoDial is now called Ergo Fit. In addition to a significantly improved adjustment mechanism (no more pressing and twisting), it is now also much slimmer and more inconspicuous. Material - Material: Polycarbonate shell, EPS inner shell Scope of delivery - Scope of delivery: Bell Spark 2 helmet Functions & Features - Features: Fly Net - Padding: Sweat Guide padding - Function: with strap adjustment system Ventilation openings - Number: 13 Main information - Purpose: MTB Construction - Helmet construction: In-Mold technology Miscellaneous - Weight: 340 g - Closure system: Ratchet closure - Visor / Shield: Umbrella - Adjustment system: Ergo Fit Details - Details: - Weight indication for size M - No-Twist Tri-Glides strap guide.