For ¼"" bits as per DIN ISO 1173-C 6

Extended back for greater coverage and comfort when in the riding position

30 & 55 gallon drums

2mm Insert for 28

Wide vertical and horizontal view area for best visibility

Alpinestars - SM-5 Helmet - Rash import_date_2024-11-78 For ¼"" bits as perThe SM5 helmet has been designed to provide MX riders with a helmet that is safe and purposefully designed to deliver optimal protection and comfort. The lightweight SM5 helmet features 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, while the five density EPS liner ensures the correct density in the