ALPINESTARS Youth SM3 Helmet - Fray - Gloss Red/Yellow Fluo/Black - Large 8301625-3051-YL 109-0116 5 inch voice coil rated

5 inch voice coil rated for 250w RMS and 500w Max power with a ferrite motor structure

46-0059 Firestone 5

2mm Overall Height (with clamp)  10

The visor has two features including a metal locking mechanism lever to prevent unwanted shield detachment during impacts and/or crashes

ALPINESTARS Youth SM3 Helmet - Fray - Gloss Red/Yellow Fluo/Black - Large 8301625-3051-YL 109-0116 5 inch voice coil ratedFeatures a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight Lightweight outer shell constructed from a technologically advanced impact resistant thermoplastic The fit can be tailored to the riders head thanks to the helmets crown and cheek pads, which are available as spare parts in different thicknesses The